{
 "schema": {
  "nominal": "WxHxD inches as printed on frame",
  "merv_available": "MERV ratings we carry in this size",
  "merv_all": "MERV ratings in this size",
  "skus": "MadMax items in this size",
  "actuals_in_titles": "Measured sizes only when they already appear in a product name"
 },
 "status": "from catalog sizes and titles; no invented actual dimensions",
 "rows": [
  {
   "nominal": "12x12x1",
   "url": "/lookup/filter-size/12x12x1/",
   "merv_available": [
    8
   ],
   "merv_all": [
    8
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-4A3652",
     "name": "12x12x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 52.21,
     "url": "/p/mm-af-4a3652/",
     "size": "12x12x1",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_611212_6_PACK"
    },
    {
     "sku": "MM-AF-DE3523",
     "name": "12x12x1 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 37.34,
     "url": "/p/mm-af-de3523/",
     "size": "12x12x1",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-611212"
    }
   ]
  },
  {
   "nominal": "12x24x1",
   "url": "/lookup/filter-size/12x24x1/",
   "merv_available": [
    11
   ],
   "merv_all": [
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-7859F0",
     "name": "12x24x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 77.21,
     "url": "/p/mm-af-7859f0/",
     "size": "12x24x1",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_611224_6_PACK"
    },
    {
     "sku": "MM-AF-5CE4A9",
     "name": "12x24x1 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 45.97,
     "url": "/p/mm-af-5ce4a9/",
     "size": "12x24x1",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-611224"
    }
   ]
  },
  {
   "nominal": "14x20x1",
   "url": "/lookup/filter-size/14x20x1/",
   "merv_available": [
    8
   ],
   "merv_all": [
    8
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-A4CE0D",
     "name": "14x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 47.06,
     "url": "/p/mm-af-a4ce0d/",
     "size": "14x20x1",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_611420_6_PACK"
    },
    {
     "sku": "MM-AF-E7C3CB",
     "name": "14x20x1 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 37.34,
     "url": "/p/mm-af-e7c3cb/",
     "size": "14x20x1",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-611420"
    }
   ]
  },
  {
   "nominal": "15x20x1",
   "url": "/lookup/filter-size/15x20x1/",
   "merv_available": [
    11
   ],
   "merv_all": [
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-0E8466",
     "name": "3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 15x20x1",
     "price": 29.43,
     "url": "/p/mm-af-0e8466/",
     "size": "15x20x1",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "FILTRETE-MICRO-15x20x1"
    }
   ]
  },
  {
   "nominal": "16x16x1",
   "url": "/lookup/filter-size/16x16x1/",
   "merv_available": [
    11
   ],
   "merv_all": [
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-494328",
     "name": "3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 16x16x1 (4-Pack)",
     "price": 86.64,
     "url": "/p/mm-af-494328/",
     "size": "16x16x1",
     "merv": 11,
     "pack": 4,
     "availability": "in_stock",
     "part": "FILTRETE-MICRO-16X16X1-4PK"
    }
   ]
  },
  {
   "nominal": "16x20x1",
   "url": "/lookup/filter-size/16x20x1/",
   "merv_available": [
    8,
    11,
    13
   ],
   "merv_all": [
    8,
    11,
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-DD51AB",
     "name": "16x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 69.16,
     "url": "/p/mm-af-dd51ab/",
     "size": "16x20x1",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_611620_6_PACK"
    },
    {
     "sku": "MM-AF-285A83",
     "name": "16x20x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)",
     "price": 77.21,
     "url": "/p/mm-af-285a83/",
     "size": "16x20x1",
     "merv": 13,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P25S_611620_6_PACK"
    },
    {
     "sku": "MM-AF-4A4E4F",
     "name": "16x20x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 69.16,
     "url": "/p/mm-af-4a4e4f/",
     "size": "16x20x1",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_611620_6_PACK"
    },
    {
     "sku": "MM-AF-2B3D04",
     "name": "16x20x1 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 37.34,
     "url": "/p/mm-af-2b3d04/",
     "size": "16x20x1",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-611620"
    },
    {
     "sku": "MM-AF-B3CB2F",
     "name": "16x20x1 Merv 13 Universal Air Filter By Tier1 (Single Filter)",
     "price": 53.74,
     "url": "/p/mm-af-b3cb2f/",
     "size": "16x20x1",
     "merv": 13,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P25S-611620"
    },
    {
     "sku": "MM-AF-84EBA9",
     "name": "16x20x1 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 45.97,
     "url": "/p/mm-af-84eba9/",
     "size": "16x20x1",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-611620"
    }
   ]
  },
  {
   "nominal": "16x20x4",
   "url": "/lookup/filter-size/16x20x4/",
   "merv_available": [
    13
   ],
   "merv_all": [
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-2FB7FD",
     "name": "16x20x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)",
     "price": 184.97,
     "url": "/p/mm-af-2fb7fd/",
     "size": "16x20x4",
     "merv": 13,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P25S_641620_6_PACK"
    },
    {
     "sku": "MM-AF-81DD07",
     "name": "16x20x4 Merv 13 Universal Air Filter By Tier1 (Single Filter)",
     "price": 106.37,
     "url": "/p/mm-af-81dd07/",
     "size": "16x20x4",
     "merv": 13,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P25S-641620"
    }
   ]
  },
  {
   "nominal": "16x24x1",
   "url": "/lookup/filter-size/16x24x1/",
   "merv_available": [
    12
   ],
   "merv_all": [
    12
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-1DCD7A",
     "name": "3M Filtrete 1500 Ultra Allergen Reduction Air Filter - 16x24x1 (4-Pack)",
     "price": 87.93,
     "url": "/p/mm-af-1dcd7a/",
     "size": "16x24x1",
     "merv": 12,
     "pack": 4,
     "availability": "in_stock",
     "part": "FILTRETE-ULTRA-16x24x1-4PK"
    }
   ]
  },
  {
   "nominal": "16x25x1",
   "url": "/lookup/filter-size/16x25x1/",
   "merv_available": [
    8,
    11,
    13
   ],
   "merv_all": [
    8,
    11,
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-209DB3",
     "name": "3M Filtrete 600 Dust & Pollen Reduction Air Filter - 16x25x1 (4 Pack)",
     "price": 60.37,
     "url": "/p/mm-af-209db3/",
     "size": "16x25x1",
     "merv": 8,
     "pack": 4,
     "availability": "in_stock",
     "part": "FILTRETE-DUST-16x25x1-4PK"
    },
    {
     "sku": "MM-AF-C73A8A",
     "name": "16x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 67.62,
     "url": "/p/mm-af-c73a8a/",
     "size": "16x25x1",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_611625_6_PACK"
    },
    {
     "sku": "MM-AF-B6C7C6",
     "name": "16x25x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)",
     "price": 81.15,
     "url": "/p/mm-af-b6c7c6/",
     "size": "16x25x1",
     "merv": 13,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P25S_611625_6_PACK"
    },
    {
     "sku": "MM-AF-77D488",
     "name": "16x25x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 89.72,
     "url": "/p/mm-af-77d488/",
     "size": "16x25x1",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_611625_6_PACK"
    },
    {
     "sku": "MM-AF-67EF02",
     "name": "16x25x1 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 40.53,
     "url": "/p/mm-af-67ef02/",
     "size": "16x25x1",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-611625"
    },
    {
     "sku": "MM-AF-524FFF",
     "name": "16x25x1 Merv 13 Universal Air Filter By Tier1 (Single Filter)",
     "price": 53.74,
     "url": "/p/mm-af-524fff/",
     "size": "16x25x1",
     "merv": 13,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P25S-611625"
    },
    {
     "sku": "MM-AF-F98AB6",
     "name": "16x25x1 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 45.97,
     "url": "/p/mm-af-f98ab6/",
     "size": "16x25x1",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-611625"
    }
   ]
  },
  {
   "nominal": "16x25x4",
   "url": "/lookup/filter-size/16x25x4/",
   "merv_available": [
    8,
    11,
    13
   ],
   "merv_all": [
    8,
    11,
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-97EBBB",
     "name": "16x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)",
     "price": 194.74,
     "url": "/p/mm-af-97ebbb/",
     "size": "16x25x4",
     "merv": 13,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P25S_641625_6_PACK"
    },
    {
     "sku": "MM-AF-9F56DC",
     "name": "16x25x4 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 144.03,
     "url": "/p/mm-af-9f56dc/",
     "size": "16x25x4",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_641625_6_PACK"
    },
    {
     "sku": "MM-AF-DDF93B",
     "name": "16x25x4 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 125.02,
     "url": "/p/mm-af-ddf93b/",
     "size": "16x25x4",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_641625_6_PACK"
    },
    {
     "sku": "MM-AF-E11091",
     "name": "16x25x4 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 73.16,
     "url": "/p/mm-af-e11091/",
     "size": "16x25x4",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-641625"
    },
    {
     "sku": "MM-AF-E7C5E2",
     "name": "16x25x4 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 82.21,
     "url": "/p/mm-af-e7c5e2/",
     "size": "16x25x4",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-641625"
    },
    {
     "sku": "MM-AF-662AD1",
     "name": "16x25x4 Merv 13 Universal Air Filter By Tier1 (Single Filter)",
     "price": 99.04,
     "url": "/p/mm-af-662ad1/",
     "size": "16x25x4",
     "merv": 13,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P25S-641625"
    }
   ]
  },
  {
   "nominal": "16x28x6",
   "url": "/lookup/filter-size/16x28x6/",
   "merv_available": [
    8,
    11
   ],
   "merv_all": [
    8,
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-EF20DF",
     "name": "Tier1 16x28x6 Merv 11 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 15 3/8 x 26 3/4 x 6)",
     "price": 84.68,
     "url": "/p/mm-af-ef20df/",
     "size": "16x28x6",
     "merv": 11,
     "pack": 2,
     "availability": "in_stock",
     "part": "TIER1-DPFS16X28X6M11"
    },
    {
     "sku": "MM-AF-8C69A5",
     "name": "Tier1 16x28x6 Merv 8 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 15 3/8 x 26 3/4 x 6)",
     "price": 77.03,
     "url": "/p/mm-af-8c69a5/",
     "size": "16x28x6",
     "merv": 8,
     "pack": 2,
     "availability": "in_stock",
     "part": "TIER1-DPFS16X28X6"
    }
   ]
  },
  {
   "nominal": "18x30x1",
   "url": "/lookup/filter-size/18x30x1/",
   "merv_available": [
    11
   ],
   "merv_all": [
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-BD1EF2",
     "name": "3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 18x30x1 (4-Pack)",
     "price": 103.57,
     "url": "/p/mm-af-bd1ef2/",
     "size": "18x30x1",
     "merv": 11,
     "pack": 4,
     "availability": "in_stock",
     "part": "FILTRETE-MICRO-18X30X1-4PK"
    }
   ]
  },
  {
   "nominal": "19x20x4",
   "url": "/lookup/filter-size/19x20x4/",
   "merv_available": [
    8,
    11,
    13
   ],
   "merv_all": [
    8,
    11,
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-294CE2",
     "name": "Tier1 19x20x4-1/4 Merv 11 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 19 1/8 x19 13/16 x 4 1/2)",
     "price": 80.12,
     "url": "/p/mm-af-294ce2/",
     "size": "19x20x4",
     "merv": 11,
     "pack": 2,
     "availability": "in_stock",
     "part": "TIER1-DPFPCC0021M11"
    },
    {
     "sku": "MM-AF-B0FFC3",
     "name": "Tier1 19x20x4-1/4 Merv 13 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 19 1/8 x19 13/16 x 4 1/2)",
     "price": 88.14,
     "url": "/p/mm-af-b0ffc3/",
     "size": "19x20x4",
     "merv": 13,
     "pack": 2,
     "availability": "in_stock",
     "part": "TIER1-DPFPCC0021M13"
    },
    {
     "sku": "MM-AF-E42F41",
     "name": "Tier1 19x20x4-1/4 Merv 8 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 19 1/8 x19 13/16 x 4 1/2)",
     "price": 71.11,
     "url": "/p/mm-af-e42f41/",
     "size": "19x20x4",
     "merv": 8,
     "pack": 2,
     "availability": "in_stock",
     "part": "TIER1-DPFPCC0021"
    }
   ]
  },
  {
   "nominal": "20x20x1",
   "url": "/lookup/filter-size/20x20x1/",
   "merv_available": [
    8,
    11,
    13
   ],
   "merv_all": [
    8,
    11,
    13
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-F81C43",
     "name": "20x20x1 Merv 13 Universal Air Filter By Tier1 (6-Pack)",
     "price": 83.55,
     "url": "/p/mm-af-f81c43/",
     "size": "20x20x1",
     "merv": 13,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P25S_612020_6_PACK"
    },
    {
     "sku": "MM-AF-8EF7DF",
     "name": "20x20x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 62.48,
     "url": "/p/mm-af-8ef7df/",
     "size": "20x20x1",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_612020_6_PACK"
    },
    {
     "sku": "MM-AF-078BC7",
     "name": "20x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)",
     "price": 66.6,
     "url": "/p/mm-af-078bc7/",
     "size": "20x20x1",
     "merv": 8,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P85S_612020_6_PACK"
    },
    {
     "sku": "MM-AF-435B7A",
     "name": "20x20x1 Merv 8 Universal Air Filter By Tier1 (Single Filter)",
     "price": 41.05,
     "url": "/p/mm-af-435b7a/",
     "size": "20x20x1",
     "merv": 8,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P85S-612020"
    },
    {
     "sku": "MM-AF-45E3F7",
     "name": "20x20x1 Merv 13 Universal Air Filter By Tier1 (Single Filter)",
     "price": 53.74,
     "url": "/p/mm-af-45e3f7/",
     "size": "20x20x1",
     "merv": 13,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P25S-612020"
    },
    {
     "sku": "MM-AF-E912A0",
     "name": "20x20x1 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 45.97,
     "url": "/p/mm-af-e912a0/",
     "size": "20x20x1",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-612020"
    }
   ]
  },
  {
   "nominal": "20x20x4",
   "url": "/lookup/filter-size/20x20x4/",
   "merv_available": [
    11
   ],
   "merv_all": [
    11
   ],
   "actuals_in_titles": [],
   "skus": [
    {
     "sku": "MM-AF-14371D",
     "name": "20x20x4 Merv 11 Universal Air Filter By Tier1 (6-Pack)",
     "price": 130.16,
     "url": "/p/mm-af-14371d/",
     "size": "20x20x4",
     "merv": 11,
     "pack": 6,
     "availability": "in_stock",
     "part": "TIER1_P15S_642020_6_PACK"
    },
    {
     "sku": "MM-AF-6E642A",
     "name": "20x20x4 Merv 11 Universal Air Filter By Tier1 (Single Filter)",
     "price": 85.66,
     "url": "/p/mm-af-6e642a/",
     "size": "20x20x4",
     "merv": 11,
     "pack": 1,
     "availability": "in_stock",
     "part": "TIER1-P15S-642020"
    }
   ]
  },
  {
   "nominal": "20x20x5",
   "url": "/lookup/filter-size/20x20x5/",
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 ]
}