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21-1/2x23-5/16x1 Air Filters

$68.16

Actual Size: 21-1/2 x 23-5/16 x 5/8. Glasfloss GDS Series air filters have a heavy-duty craft board frame with fiberglass media. The double strut design supports the media providing 10% greater open area. Change every 30 days for best results.

Ships in 1 Business Day

$53.47

The Glasfloss MERV 10 Z-Line 21-1/2×23-5/16×1 air filters excel at removing allergens and dust from the air, making your home’s air cleaner. We designed the sturdy frame using heavy-duty, moisture-resistant materials, including recycled content, to make it easy to install and remove from your HVAC system. The synthetic fibers in the filter media won’t support [...]

Ships in 1 Business Day

$69.86

The Glasfloss MERV 10 Z-Line 21-1/2×23-5/16×1 air filters excel at removing allergens and dust from the air, making your home’s air cleaner. We designed the sturdy frame using heavy-duty, moisture-resistant materials, including recycled content, to make it easy to install and remove from your HVAC system. The synthetic fibers in the filter media won’t support [...]

Ships in 1 Business Day

$115.10

Actual Size: 21-1/2 x 23-5/16 x 5/8. Glasfloss GDS Series air filters have a heavy-duty craft board frame with fiberglass media. The double strut design supports the media providing 10% greater open area. Change every 30 days for best results.

Ships in 1 Business Day

Sale!
Original price was: $184.68.Current price is: $125.86.

The Glasfloss MERV 10 Z-Line 21 1-2×23 5/16×1 air filters excel at removing allergens and dust from the air, making your home’s air cleaner. We designed the sturdy frame using heavy-duty, moisture-resistant materials, including recycled content, to make it easy to install and remove from your HVAC system. The synthetic fibers in the filter media [...]

Ships in 1 Business Day