Shark Bite UC454LFA10 3/4" X 1/2" X 1/2" Brass PEX Reducing Tee 10 Pack Free DZR brass, the SharkBite Barb fittings are corrosion resistant. Use for new installation and repair of potable water distribution systems. Fittings should be wrapped with an impervious material, chloride-free tape or tightly wrapped and sealed insulation works well to prevent direct contact with the backfill. Backfill should be free of rocks, debris or any sharp objects that may cause damage through impact or abrasion. Connects PEX pipe Certified to 200 psi and 200F Certified for underground and behind the wall applications and as a manufactured joint without access panels Exceeds ASSE 1061 Section 1V, 4.1 Materials - Dezincification (DZR) - ISO 6509 Certified for potable water and hydronic applications Always consult with local plumbing codes concerning specific applications All components are chloramine resistant Traceability - All products are stamped with a manufacturing date Approved for burial Corrosion resistant 3/4" barb X 1/2" barb X 1/2" barb 10 pack Made of DZR Brass