POL 5/8" x W21.8 BAYONET LPG Propane Bottle refill adaptor with NON RETURN VALVE
This is Bayonet type adaptor (to refill in UK or Netherlands) for. on other end bayonet has also M21.8 thread. PROPANE BOTTLE ADAPTOR (one). ONE ADAPTOR. You are buying one adaptor. This adaptor may be used on gas bottles.