B & K 511-300BC Coup Rdcg Galv 4 X 3 High Test Features copper shells machined from

Features copper shells machined from solid bar stock (not tubing)

Advanced Electret Media is designed for ease of breathing

material make it built to last longer

Bi-Metal blade increases blade life

Case size 3-1/8" x 1" x 3/4"

B & K 511-300BC Coup Rdcg Galv 4 X 3 High Test Features copper shells machined from"B & K" GALVANIZED REDUCING COUPLING For use with water and steam Rated to 300 PSI at 150 degrees F; steam 150 lb. PSI Class 150 standard fitting meets the following specifications: Material; ANSI ASTM A 197; Dimensions: ANSI ASME B. 16. 3, B16. 14, B16. 39; Threads: ANSI B1. 20. 1; Galvanized fittings meet proposition 65 low lead requirements 4" x 3" Retailer requests for larger diameter fittings program. Warning: This product can expose you to