Master Flow 10 in. x 3-1/4 in. Rectangular Stack Duct Cap

Rectangular Stack Duct Caps, also called clean-out plugs or tee-caps, simply cap off a round or rectangular duct run. They are primarily designed to terminate or block off a rectangular duct run in HVAC systems. The duct caps are compatible with most HVAC systems and can be easily installed with sheet metal screws (sold separately).

Order Processing: After your payment is authorized and verified, we will start processing your order and this process can take from 1 to 2 business days, so please be patient with us. If we are unable to process your order due to inaccurate or incomplete payment or incorrect address information, your order processing may be delayed.

Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.