Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 18 X 24 X 2"" MERV 11 High Capacity p/n 102-500-018 KOCH™ FILTER 102-500-018 HIGH CAP. XL11 PLEATED PANEL EXT. SURFACE 18""W X 24""H X 2""D MERV 11 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW... MSRP: $13.01 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 18 X 24 X 4"" MERV 11 Standard Capacity p/n 102-499-027 KOCH™ FILTER 102-499-027 STD CAPACITY XL11 PLEATED PANEL EXT SURFACE 18W X 24H X 4D MERV 11 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW... MSRP: $21.48 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 20 X 1"" MERV 11 High Capacity p/n 102-500-008 KOCH™ FILTER 102-500-008 MERV 11 HIGH CAPACITY XL11 PLEATED PANEL EXTENDED SURFACE 20""W X 20""H X 1""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM... MSRP: $9.50 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 20 X 1"" MERV 11 Standard Capacity p/n 102-499-008 KOCH™ FILTER 102-499-008 STD CAPACITY XL11 PLEATED PANEL EXT SURFACE 20W X 20H X 1D MERV 11 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW... MSRP: $9.16 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 20 X 2"" MERV 11 Standard Capacity p/n 102-499-019 KOCH™ FILTER 102-499-019 MERV 11 STD. CAPACITY XL11 PLEATED PANEL EXT. SURFACE 20""W X 20""H X 2""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM STANDARD... MSRP: $10.63 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 20 X 4"" MERV 11 Standard Capacity p/n 102-499-028 KOCH™ FILTER 102-499-028 MERV 11 STD. CAPACITY XL11 PLEATED PANEL EXT. SURFACE 20""W X 20""H X 4""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM STANDARD... MSRP: $21.48 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 24 X 2"" MERV 11 Standard Capacity p/n 102-499-020 KOCH™ FILTER 102-499-020 MERV 11 STD. CAPACITY XL11 PLEATED PANEL EXT. SURFACE 20""W X 24""H X 2""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM STANDARD... MSRP: $12.71 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 25 X 1"" MERV 11 High Capacity p/n 102-500-009 KOCH™ FILTER 102-500-009 MERV 11 HIGH CAPACITY XL11 PLEATED PANEL EXTENDED SURFACE 20""W X 25""H X 1""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM... MSRP: $11.20 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 25 X 1"" MERV 11 Standard Capacity p/n 102-499-009 KOCH™ FILTER 102-499-009 MERV 11 STD. CAPACITY XL11 PLEATED PANEL EXT. SURFACE 20""W X 25""H X 1""D FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UPGRADE FROM STANDARD... MSRP: $10.29 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 20 X 25 X 2"" MERV 11 High Capacity p/n 102-500-021 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW PRESSURE DROP. SUPERIOR EFFICIENCY. HIGH DUST HOLDING CAPACITY. MSRP: $14.42 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 24 X 24 X 1"" MERV 11 High Capacity p/n 102-500-010 KOCH™ FILTER 102-500-010 HIGH CAP. XL11 PLEATED PANEL EXT. SURFACE 24""W X 24""H X 1""D MERV 11 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW... MSRP: $13.01 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL11 Pleated Filter 24 X 24 X 2"" MERV 11 High Capacity p/n 102-500-022 KOCH™ FILTER 102-500-022 HIGH CAP. XL11 PLEATED PANEL EXT. SURFACE 24""W X 24""H X 2""D MERV 11 UPGRADE FROM STANDARD PLEATED FILTERS. MERV 11 EFFICIENCY RATING. DUAL LAYERED FILTER MEDIA. LOW... MSRP: $15.27 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL8 Pleated Filter 10 X 10 X 1"" MERV 8 High Capacity p/n 102-031-020 FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" MERV 8 AND MERV-A 8 PERFORMANCE RATINGS MECHANICAL MERV 8 MEDIA IS NOT RELIANT ON ELECTROSTATIC CHARGE FOR EFFICIENCY LOW... MSRP: $7.13 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL8 Pleated Filter 10 X 10 X 1"" MERV 8 Standard Capacity p/n 102-041-020 FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" MERV 8 AND MERV-A 8 PERFORMANCE RATINGS MECHANICAL MERV 8 MEDIA IS NOT RELIANT ON ELECTROSTATIC CHARGE FOR EFFICIENCY LOW... MSRP: $7.13 Add to Cart The item has been added Compare
Quick view Add to Wishlist Koch Filter Corporation Koch Filter™ XL8 Pleated Filter 10 X 20 X 2"" MERV 8 Standard Capacity p/n 102-700-011 FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" MERV 8 AND MERV-A 8 PERFORMANCE RATINGS MECHANICAL MERV 8 MEDIA IS NOT RELIANT ON ELECTROSTATIC CHARGE FOR EFFICIENCY LOW... MSRP: $8.03 Add to Cart The item has been added Compare
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