BVV Tri-Clamp Inline Filter Housing Kit with Free Sample CartridgeBVV Tri Clamp Inline Filter Housing Kit with Free Sample Cartridge Note: Extra Disposable cartridges sold separately. (Click Here for Cartridges) This inline housing allows for implementation of the BVV or AFS filters into many extraction systems. The BVV filter housing is 2. 5" but comes with the adapter flanges for both ends to go inline with a standard 1. 5" or 2" tri clamp system. Kit Includes 1x Free BVV Sample Cartridge (55$ Value!) 2x 2. 5"