Free Shipping on Orders Over $39
Shop
Water Filters
Reverse Osmosis
UV Treatment
Water Softeners
Housings
More
Valves, Fittings & Tubing
Pumps & Tanks
Media, Chemicals & Testing
Parts & Accessories
Pool & Spa
Aquarium & Reef
HVAC & Air Filters
Kitchen, Bath & Fixtures
🔍
Shop
Browse our full catalog — quality products, ready to ship.
20137 products
Default sorting
Sort by popularity
Sort by average rating
Sort by latest
Sort by price: low to high
Sort by price: high to low
Sale!
Furnace & AC Filters
18x25x2 AIRx HEALTH Air Filter – MERV 13
$
179.70
Original price was: $179.70.
$
44.92
Current price is: $44.92.
Sale!
Furnace & AC Filters
18x30x1 AIRx ALLERGY Air Filter
$
34.36
Original price was: $34.36.
$
10.31
Current price is: $10.31.
Sale!
Furnace & AC Filters
18x30x1 AIRx ALLERGY Air Filter, 12-Pack
$
217.35
Original price was: $217.35.
$
54.34
Current price is: $54.34.
Sale!
Furnace & AC Filters
18x30x1 AIRx ALLERGY Air Filter, 4-Pack
$
92.45
Original price was: $92.45.
$
27.73
Current price is: $27.73.
Sale!
Furnace & AC Filters
18x30x1 AIRx ALLERGY Air Filter, 6-Pack
$
116.18
Original price was: $116.18.
$
29.05
Current price is: $29.05.
Sale!
Furnace & AC Filters
18x30x1 AIRx DUST Air Filter
$
31.86
Original price was: $31.86.
$
9.56
Current price is: $9.56.
Sale!
Furnace & AC Filters
18x30x1 AIRx DUST Air Filter, 12-Pack
$
187.35
Original price was: $187.35.
$
46.84
Current price is: $46.84.
Sale!
Furnace & AC Filters
18x30x1 AIRx DUST Air Filter, 4-Pack
$
82.45
Original price was: $82.45.
$
24.73
Current price is: $24.73.
Sale!
Furnace & AC Filters
18x30x1 AIRx DUST Air Filter, 6-Pack
$
101.18
Original price was: $101.18.
$
25.30
Current price is: $25.30.
Sale!
Furnace & AC Filters
18x30x1 AIRx HEALTH Air Filter – MERV 13
$
307.35
Original price was: $307.35.
$
61.47
Current price is: $61.47.
Sale!
Furnace & AC Filters
18x32x2 AIRx ALLERGY Air Filter – MERV 11
$
209.48
Original price was: $209.48.
$
52.37
Current price is: $52.37.
Sale!
Furnace & AC Filters
18x36x1 AIRx ALLERGY Air Filter – MERV 11
$
153.44
Original price was: $153.44.
$
38.36
Current price is: $38.36.
←
1
2
3
…
79
80
81
82
83
84
85
…
1,677
1,678
1,679
→
Scroll to Top
