Plastic Dampers, PVC
- Product Details
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- Available in 3” and 4” for both Schedule 20 and 40 pipe
- Easy in/out of piping to test airflow before sealing pipe
- Polycarbonate is siliconed into place; 1/8” pre-drilled tap hole
- Simply drill additional holes in the durable polycarbonate disc to adjust airflow
- Save time and money – have these affordable dampers on hand when you need them!
- Reviews