Mast exit blocks with cams used for halyard controls and under boom mainsheets
designed with cutting-edge aerospace technology
stringers and cabin roof rot in both fiberglass and wood boats
Mounting hole diameter 2 1-8"
monitors gas even when control panel is off
3M Particulate Filter - 1 Pair MAINTENANCE Mast exit blocks with cams3M P100 HEPA Filter Nuisance Organic Vapor Relief 100 cs Upgrade your safety with the 3M P100 HEPA Filter. Designed for use with 3M Respirators 5000 Series, 3M Cartridge 6000 Series with 3M Adapter 502, or 3M Half and Full Face pieces 6000, 7000, and FF 400 Series. Perfect for welding, brazing, torch cutting, soldering, and protection against lead, asbestos, cadmium, arsenic, and MDA. Get top notch respiratory protection now.