Post Guard 20"x20" Square Column Sentry | POS-CS3842-20S photobeam The extinguisher's 16" semi-pneumatic wheels

The extinguisher's 16" semi-pneumatic wheels feature non-sparking rubber treads for safety

(2) - 14Ah Batteries

Chemical resistant housing

Articulated forcing lever arm bracket kit

Engineered for swing gates up to 20 ft

Post Guard 20"x20" Square Column Sentry | POS-CS3842-20S photobeam The extinguisher's 16" semi-pneumatic wheelsPost Guard 20"x20" Square Column Sentry POS CS3842 20S Column Sentry protectors cushion those big bumps from forklifts and help prevent expensive column damage. Column Sentry protector is designed to fit square, round, or H columns up to 20"x20" in size. Incredibly tough, highly visible, easily installed, cost effective, and versatile. An exclusive, patented air chamber system allows air to escape during impact without splitting the sides.