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This SAE brass cap and tether is designed to protect backflow preventer test cocks from dirt and debris. Four are required per backflow preventer. This includes SAE brass dust cap with O-ring seal and rubber tether. Fits 1/8 inch male x SAE test cocks.
SAE Brass Cap, O-Ring and Tether For Backflow Preventer, Fits 1/8 In Male x SAE Test Cocks