Introducing Duct Mask: Precise Testing Designed as an adhesive-backed plastic film, DuctMask™ effectively seals registers, so you can focus on obtaining accurate results. It's the perfect companion for measuring duct leakage with a Duct Blaster® or Minneapolis Blower Door™. Ideal for Duct Cleaners Too...

Introducing Retrotec's Grill Mask: The Ultimate Register Sealing Tape Are you searching for a reliable, high-performance register sealing tape? Look no further! Retrotec's Grill Mask is engineered to provide superior sticking power, ensuring that your sealing tasks are completed quickly and efficiently. Whether you're...