Specification: Product name: One-way check valve Material: Nickel Plated Brass size: 1/2″ 3/4″ 1 Stable characteristics and high reliability. Easy to install and replace. Package include: According to your Choose! 1/2″ 3/4″ 1 Check Valve Nickel Plated Brass Toilet One Way Male/Female Thread. Product name: One-way check valve. Material: Nickel Plated Brass. Size: 1/2″ 3/4″ 1. Stable characteristics and high reliability. According to your Choose! Please make sure it is 100% right.

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