HomeProduct Size4 Inch Ventilation Kits 4 Inch Ventilation Kits Filter Showing the single result Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by Sales Rank $117.90 + 2 more iPower GLFANXSETINLINE4D8RHCTR 4 Inch 190 CFM Inline Fan Filter 8 Feet Ducting Combo with Variable Speed Controller Rope… Added to wishlistRemoved from wishlist 0 Add to compare