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Thread: DN20 3/4". 1 Check Valve. Feature: 1. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls. Material : Stainless Steel. Direction: Two Way. With good resistance to corrosion and oxidation.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.