Britelyt Petromax Lantern Double O-ring pump system Petromax, Britelyt, Wenzel.

Double O-ring pump system Part #6-2- Oring system takes the place of your old part #6 with leather washer Works on 150CP, 250CP,350CP and 500CP lanterns. Increases 50% -90% more air into tank then with leather washer. Just take out your old part and put the New O-Ring pump system in and add oil to the rubber o-ring. Replacement O-ring's can be brought from any hardware or home care store, it's a standard type, we also carry them. BriteLyt Patented O-ring system (Patent #6,863,526.) Will fit Petromax, BriteLyt, Aida, Wenzel, Hipolito, Geniol, Sea Anchor and more.