The AIRAID Pre-Filter is highly recommended for use over your AIRAID premium air filter in extremely dirty environments. The AIRAID Pre-Filter is manufactured from a durable water resistant polyester material and helps to support longer service intervals for the AIRAID washable air filter that the pre-filter protects. With uniform micro openings that filter out debris 5 microns and larger, the dyno & flow bench testing has proven no significant loss in power or airflow using this product.Features: Pre-filter protection available for the majority of air intake system filters Filters our particles down to 5 microns Installs in seconds over your existing air filter More than doubles cleaning intervals Water Resistant For Extreme ProtectionProduct Specifications: Color: Black Length: 7 in (178 mm) Material Used: Silicone Treated Polyester Package Contents: 1 Air Filter Wrap Package Quantity: 1 Product Box Height: 9.75 in (248 mm) Product Box Length: 6 in (152 mm) Product Box Width: 1.5 in (38 mm) Product Style: Airaid Pre-Filter Wrap Weight: 0.5 lb (0.2 kg) Width: 6.05 in (154 mm) Wrap Type: PreFilterProduct Description: Air Filter Wrap, Polyester, Black, 6 in. Bottom Diameter, 3.9 in. Top Diameter, 7 in. HeightPit Stop USA offers AIRAID Pre-Filter Air Filter Wrap - Fits Filter 700-411/700-456/701-456 799-411 at low everyday prices. Be sure to check out all our products from AIRAID including AIRAID Air Filter Wraps.