20x20x4
20x20x4 furnace filter. Premium quality made by CAMFIL.
CAMFIL AP-3 | CAMFIL 30/30 | CAMFIL AP-11 | CAMFIL AP-13 | |
MERV | 8 | 8 | 11 | 13 |
LIFESPAN | 4 months | 6 months | 5 months | 5 months |
COST PER FILTER | $21.67 |
$30.67 |
$31.83 |
$49 |
PRICE 6-PACK | $130 |
$184 | $191 |
$294 |
OVERVIEW | economical | best overall value |
remove allergens at low cost |
superior dust and allergen removal |