Product details:

The Pure-Flo N2O Filter features a stone element filter that can be reused season after season. The Pure-Flow N2O Filter housing is crafted of Aluminum with both 4AN size inlet and outlet fittings. The patented Pure-Flow N2O Filter also features the same internal diameter of a 4AN line ensuring maximum flow and reliability.7" 4AN Stainless Steel hose is included.