High-Quality Circular Pipeline Stop Valve for Efficient Ventilation
Durable
80mm freshwind Yuba
design ensures smooth airflow control with a tight seal to prevent backdraft. Made from
high-grade PVC/ABS
for corrosion resistance and long-term durability in humid environments.
Precision-engineered reverse flap
maintains optimal airflow direction, reducing energy loss. Ideal for
bathroom exhaust fans, kitchen vents, and HVAC systems
to improve indoor air quality.
Universal fit for 110mm, 150mm, and 200mm pipes
, offering flexibility for residential and commercial installations. Reinforced
silicone gasket
ensures silent operation and airtight performance.
Bulk order discounts available
—perfect for contractors and wholesalers seeking reliable, cost-effective ventilation solutions. Trusted by professionals for superior backflow prevention and easy maintenance.