Backflow valve

Brass Female Thread Swing Check Valve 232PSI Non-Return One-Way Backflow Prevention Tool

Brass Female Thread Swing Check Valve 232PSI Non-Return One-Way Water Backflow Prevention Tool

Brass Female Thread Swing Check Valve 232PSI Non-Return One-Way Water Backflow Preventer Tool

Brass Female Thread Swing Check Valve DN15 DN20 DN25 - 232PSI Non-Return Water Backflow Prevention Tool

Brass Female Thread Swing Check Valve DN15 DN20 DN25 - 232PSI Non-Return Water Backflow Prevention Tool

Brass Female Thread Swing Check Valve DN15 DN20 DN25, Non-Return One-Way Valve, 232PSI Water Backflow Prevention Tool

10-Pack White Silicone Duckbill One-Way Check Valves 7.45*4.2*7.2 MM for Liquid and Gas Backflow Prevention

Kärcher 6.997-345.0 Suction Filter

This is a vacuum filter with backflow prevention and a 3/4 inch suction hose, made of plastic for use with Kärcher Home & Garden products.

Hansgrohe Fixfit Wall Outlet E without Non-Return Valve (27454000)

A sleek chrome wall outlet for a ½‑inch shower hose, featuring a straight‑through design that allows easy connection without a backflow valve. The robust stainless steel body resists corrosion and offers a smooth finish for a clean bathroom look.

GARDENA Brass Check Valve G 3/4" (26.5 mm) - Model 07230-20

Wallair N40819 White Backflow Flap for 10 cm Pipe Diameter

Wallair N35981 10 cm Galvanized Rubber Sealed Backflow Valve

Wallair N35984 Rubber Sealed Backflow Valve for 12.5 cm Pipe Diameter - Galvanized

Wallair N35987 15cm Galvanized Rubber Sealed Backflow Valve

CO2 Bubble Counter Check Valve for Aquarium - Aluminum Regulator Diffuser, Prevents Backflow, Single/Dual Head Options

CO2 Bubble Counter Check Valve for Aquarium, Aluminum Regulator Diffuser, Prevents Backflow, Single/Dual Head Options

10-Pack White Silicone Duckbill One-Way Check Valve 15x9.2x12.8MM for Liquid and Gas Backflow Prevention

10-Pack Black Silicone Duckbill One-Way Check Valve 11*5.4*15 MM for Liquid and Gas Backflow Prevention

Insect-proof Anti-odor Drain Valve for Bathtub and Kitchen Sink with Backflow Filter

One-Way Drain Backflow Preventer Valve for Bathroom Floor Pipes and Tubes

Brass Female Thread Non-Return Swing Check Valve 232PSI for Water Backflow Prevention DN32 DN40 DN50

Brass Female Thread Non-Return Swing Check Valve 232PSI Water Backflow Prevention DN32 DN40 DN50 Options

Brass Female Thread Non-Return Swing Check Valve 232PSI - Prevents Water Backflow DN32 DN40 DN50 Options

BSPP Brass Swing Check Valve DN25 N20 Female Thread 232PSI Non-return Water Backflow Prevention

BSPP Brass DN25 Female Thread Swing Check Valve 232PSI - Non-Return Water Backflow Prevention

BSPP Brass DN25 Female Thread Non-return Swing Check Valve 232PSI Water Backflow Preventer

Backflow Prevention Drain Valve One-Way Seal for Bathroom Floor Pipes X7YF

Backflow Prevention Drain Valve for Bathroom Floor Pipes X7YF

Backflow Prevention Drain Valve for Bathroom Floor Pipes X7YF

Backflow Prevention Valve for Bathroom Floor Drain - One Way Seal X7YF

Blue Silicone Drain Backflow Preventer Trap with One Way Valve and Deodorant Core

1/4" OD One-Way Check Valve - Non-Return Reflux Valve with Direct Fast Joint

Brass Female Thread Non-Return Swing Check Valve DN15 DN20 DN25 232PSI Water Backflow Preventer

Brass Female Thread Non-Return Swing Check Valve DN15 DN20 DN25 232PSI Water Backflow Prevention

Brass Female Thread Swing Check Valve DN15 DN20 DN25 232PSI Water Backflow Preventer

Stainless Steel Floor Drain Valve with Ball Filter and Silica Gel Sealing Ring (27-34mm)