CATEGORIES HOME RLV 8" Foam Filter Wrap, Blue Item Number: RLV0217 Price: $3.25 Add to Cart Description This is an 8" long foam pre-filter that fits over a 3 1/4" diameter air filter. This foam wrap can be cut in half and make two wraps for the commonly used 4" filters (Item Number: 00175JR) Accessories 3.5 x 4 x 2.437 Angled Air Filter, Clone, Flathead 3.5 x 6 x 2.437 Angled Air Filter, Clone, Flathead 3.5 x 8 x 2.437 Angled Air Filter, Flathead Filter 3.5 x 4 x 2.437, Flathead Filter 3.5 x 4 x 2.062, Flathead