Air Sentry R-121 Desiccant Breather

R-Series Breathers are ideal for heavy equipment that is productive and on the move and outfitted with hydraulic fluid tanks or reservoirs that breathe in the dirty outside air. This heavy-duty breather series is designed for high-vibration, mobile applications, to include, off-road, construction and farm vehicles. R-Series breathers easily mount in place of standard breather caps by rugged steel pipe threads and a reusable metal base. When the gold silica gel cartridge turns dark green, simply install a new replacement cartridge to keep things moving.

All R-Series models feature two 2 micron filters, one on the inlet and a second on the outlet.

Operating Temperature: -20°F (-29°C) to +200F (+93°C)

Applications – Cranes • Railroads • Farm Implements • Construction Vehicles • Off-Road Trucks

R-Series Specification Chart