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17.5x21x4.5 (17.25x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®
17.5x21x4.5 (17.25x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®
17.5x21x4.5 (17.25x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter Nominal size 17 1/2" x 21" x 4 1/2" (Actual size 17 1/4 x 20 3/4 x 4 3/8) Fits Ruud® central heating systems
Available to buy in increments of 2
17.5x21x4.5 (17.25x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®
17.5x21x4.5 (17.25x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter
- Nominal size 17 1/2" x 21" x 4 1/2" (Actual size 17 1/4 x 20 3/4 x 4 3/8)
- Fits Ruud® central heating systems