Check the listing for details. Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75']. Condition: New. Listed at 17.68 USD. Washable Element for Stack Injection Systems 4" Horns Side / Downdraft [3.75'] PCE104.1089 Brand:SpeedmasterPart Number:PCE104.1089Part Type:Air Cleaners Base Style:RaisedAir Cleaner Shape:RoundAir Cleaner Size:4.200 in. diameterAir Cleaner Top Design:Flat designAir Cleaner Top Material:AluminumAir Cleaner Top Finish:PolishedFilter Height (in):3.400 in.Air Cleaner Base:RubberAir Cleaner Filter:Synthetic/Stainless steel meshWing Nut Included:NoQuantity:Sold individually.Notes:It will fit stack injections or downdraft intakes with horns with 3.30" - 3.75" diameter measurement. Please ensure that there is clearance between stacks to fit filters before purchasing.For use with cut velocity stacks, or straight pieces of exhaust tubing. Flat rubber bases with molded-in velocity stack type radius and step for smooth bore down from element to tube. Item Condition: Brand New AT RACING WORLD - AUTO PARTS & CAR CARE We Mean Business when it comes to getting you the Products and Customer Service you need... when you need them. In today's extremely agressive marketplace, all companies face the issues of global competition and the ever increasing costs of operating a business environment. We created a low-overhead business model and an extremely efficient global supply chain, providing our customers with high-quality products at extremely low prices.