In stock for immediate delivery, these Mil-Spec zinc anodes are for commercial heat exchangers and underwater metals where space is a limiting factor. Steel inserts are cast in and project out approximately 1/8" inch on each side for 1/2" or 3/8" diameter mounting studs and bolts.
ZEP-2B Heat Exchanger Zinc Anode with 1/2" IPS Core
ZEP-2B Heat Exchanger Zinc Anode with 3/8" IPS Core