D&D (Drag & Drift) SKH-S-3 Lldpe Combo Snorkel Air Ram 77Mm 3 Inch Replacement Cover Muddling Mount Head Suits Any Snorkel That Take 77mm (3 inches) Diameter Inlet Corrosion resistance and weather resistance Made from UV resistant linear low density polyethylene (LLDPE) Removable Mesh 100% Brand New