Caleffi 502043A MINICAL™ Automatic Air Vent with Hygroscopic Anti-Drip Cap, 1/2" MNPT MM325 just replace the blade and

just replace the blade and get back to work

Keyless Blade Clamp: Yes (QUIK-LOK® Universal)

and an IP54-rated lens

Double insulation and has IP44 ingress protection

Take it to the PRO level

Caleffi 502043A MINICAL™ Automatic Air Vent with Hygroscopic Anti-Drip Cap, 1/2" MNPT MM325 just replace the blade andCaleffi 502043A MINICAL Automatic Air Vent with Hygroscopic Anti Drip Cap, 1 2" MNPT Automatic air vents are designed to remove trapped air that accumulates in heating and air conditioning systems automatically. Air removal enhances performance and life of a system by reducing the affects of: corrosion due to the oxygen pockets of air trapped in the heating emitters cavitation in the circulation pumps PERFORMANCE Medium: Water and glycol solution Max.