Rubber Fill Nipple Cover

Dirt, paint and other debris getting in your fill nipple works its way through your HPA tank, destroying seals and o rings in both your tank and marker. Prevent lost playing time and costly repairs with these Rubber Molded HPA Fill Nipple Caps. They fits snug to keep crud out of your tank and feature a convenient leash so you don't lose it on the field or the tank filler doesn't set it aside and forget!