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PATIKIL 8″ x 6″ Straight Register Boot – Galvanized Steel HVAC Transition Fitting

$45.49 on Amazon.com (as of October 16, 2026, 11:47 AM EST) View details ↗

A durable PATIKIL galvanized steel transition boot connects round ductwork to rectangular floor registers, ensuring seamless airflow in residential and commercial HVAC systems. With a smooth interior design, this straight boot minimizes wind resistance, improving ventilation efficiency while maintaining structural integrity. The rust-resistant galvanized iron construction makes it ideal for both indoor and outdoor installations, withstanding harsh weather conditions without compromising performance.

Designed for versatility, this transition fitting bridges round ducts (including flexible hose or rigid pipe) to standard 6″ x 8″ register grilles, exhaust fans, range hoods, or dryer vents. Its compact yet robust build saves space while preventing air leaks, making it a reliable choice for professional and DIY ventilation projects. Installation requires basic tools—secure the round end to ductwork with aluminum foil tape (not included) and attach the rectangular end to the register or grille using screws (also not included). Always verify measurements before purchase to ensure a perfect fit.

MaterialGalvanized iron
Dimensions (L x W x H)7.99″ x 6″ x 8.07″
Rectangular Interface Size6″ x 8″ (fits standard register/grille)
Round Interface Diameter6″
Thickness0.02″ (0.6mm)
Load CapacityRated for standard HVAC ductwork applications
Does this transition boot work with flexible ducting?
Yes, the round interface (6″) is designed to connect to both rigid round duct and flexible ventilation hose.
Is this fitting suitable for outdoor use?
The galvanized steel construction provides rust resistance, making it suitable for outdoor installations in protected environments.
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