Free Shipping When You Spend $75 or More! CART MENU Open menu www.filterwarehouseusa.com Toggle search bar What can we help you find? Submit search CART Air Filters Merv 11 Ultra Pure Pleated Filters Merv 13 Ultra Pure PLUS Pleated Filters Ultra8 - Merv 8 Pleated Filters Contact Us Tech Info Blog Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Your Cart ITEM DESCRIPTION EACH QTY TOTAL UltraPURE Plus 16x25x4 MERV 13 HVAC Air Filter (6 Pack) $123.00 $123.00 UltraPURE Plus 18x24x4 MERV 13 HVAC Air Filter (6 Pack) $128.75 $128.75 UltraPURE Plus 18x24x2 MERV 13 HVAC Air Filter (6 Pack) $89.10 $89.10 UltraPURE Plus 20x30x1 MERV 13 HVAC Air Filter (6 Pack) $90.60 $90.60 UltraPURE Plus 16x25x1 MERV 13 HVAC Air Filter (6 Pack) $90.60 $90.60 UltraPURE Plus 20x25x2 MERV 13 HVAC Air Filter (6 Pack) $89.05 $89.05 UltraPURE 18x20x1 MERV 11 HVAC Air Filter (6 Pack) $83.34 $83.34 UltraPURE 24x24x2 MERV 11 HVAC Air Filter (6 Pack) $71.15 $71.15 UltraPURE 20x24x4 MERV 11 HVAC Air Filter (6 Pack) $110.64 $110.64 UltraPURE 20x20x4 MERV 11 HVAC Air Filter (6 Pack) $105.51 $105.51 CleanAir2 -$98.17 Click to remove an item from your cart Empty My Entire Cart Coupon Code: Tax: $0.00 Total: $883.57