Proform 69528 Radiator Overflow Canister

Radiator Overflow Canister When your radiator fluid gets too hot, it will blow through your overflow spout and all over your engine bay unless you have an overflow canister for this exact situation. PROFORMs new overflow canisters are anodized billet aluminum with brass fittings to give your engine bay a nice clean look. Canister measures 6.75" tall, and 3" diameter.