13 x 21-1/2 x 1 Air Filters MERV 13 (6-Pack) by Tier1
13x21-1/2x1 Air Filter by Glasfloss | Air Filters Florida
Amazon.com: Pamlico Air 13 x 21-1/2 x 1 MERV 8 Pleated HVAC AC Furnace Air Filters. 6 Pack. (Exact Size: 13 x 21.5 x 0.75 Inches) : Tools & Home Improvement
Koch 13 x 21 1/2 x 1 MERV 8 Pleated Air Filter 12 Pack - Hepa Filter Sales - HepaFilterSales.com -- We Deliver Breathing Easier
Dynamic C3P132112X 13 x 21 1/2 Air Filter
Aerostar 21 1/2 x 23 1/2 x 1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6 Pack - Walmart.com
Aerostar 19 7/8 x 21 1/2 x 1 MERV 13 Furnace Air Filter, 6 Pack 192212039944 | eBay
13x21.5x1 Odor Eliminator Air Filter - Only $15.67/ea.
13 x 21-1/2 x 1 Air Filters MERV 11 (6-Pack) by Tier1
16-3/8x21-1/2x1 MERV 13 Furnace Filters - $22.91/ea.
Merv 13 Pleated Air Filter - 13" x 21 1/2" x 1" – Any Kind Of Filter
13x21 1/2x1 Carbon Air Filter MERV 8 6-Pack | DiscountFilters.com
Aerostar 13 x 21 1/2 x 1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack - Walmart.com
Merv 11 Pleated Air Filter - 13 7/8" x 21 1/2" x 1" – Any Kind Of Filter
16-3/8 x 21-1/2 x 1 MERV 11 ( MPR 1000, FPR 7-8 ) Pleated 1" Air Filters for AC and Furnace. 4 PACK. Exact Size: 16-3/8 x 21-1/2 x 3/4 - Walmart.com
13x21-1/2x1 Air Filter for Carrier/Bryant/Payne - Box of 4
13x21 1/2x1 Pleated Air Filter MERV 8 12-Pack | DiscountFilters.com
317659-401 - Carrier 317659-401 - Air Filter 13" x 21-1/2" x 1"
Koch 13 x 21 1/2 x 1 MERV 8 Pleated Air Filter 12 Pack - Hepa Filter Sales - HepaFilterSales.com -- We Deliver Breathing Easier
Aerostar 13x21 1/2x1 MERV 11, Pleated Air Filter, 13 x 21 1/2 x 1, Box of 4, Made in The USA - Amazon.com
Aerostar 16 3/8x21 1/2x1 Merv 13, Health Air Filter, Box Of 4 : Target
21 1/2x23 1/2x1- Air Filter – Air Filters Delivered
16 3/8x21 1/2x1, Actual Size: 16 3/8"x21 1/2"x3/4", Carrier Replacement Filter by Aerostar - MERV 13, Box of 6 - Walmart.com
