Quick answers to questions about ordering, compatibility, and installation.
4.5" Exterior 90 (Vertical Outside 90) – Seamless One-Piece Design
The 4.5" Exterior 90 (Vertical Outside 90) fitting is the perfect solution for creating clean, professional outside corners in HVAC line set cover systems with 4.5" wide channel lengths. This one-piece design clips onto the duct cover for a seamless, screw-free look, while its adjustable depth and UV-resistant construction ensure a secure, durable fit.
For added customization, the exterior 90 can be easily trimmed with a box cutter to achieve the perfect fit for your installation. Shrinkwrapped with an additional quick-lock cam screw, this fitting is a must-have for achieving polished results in your HVAC project.
The 4.5" Exterior 90 simplifies HVAC line set cover installations with its one-piece, screw-free design. Its adjustable depth and customizable fit make it a versatile and efficient solution for creating outside corners. Perfect for both professionals and DIYers, this fitting ensures a clean, durable finish while allowing for easy customization.
Pro Tip: Use a box cutter to trim excess material for a perfect fit in even the most challenging installations.
At MRCOOL DIY Direct, we provide high-quality, durable components like the 4.5" Exterior 90 to help you complete your HVAC installation with ease and precision.
Elevate your line set cover system with the 4.5" Exterior 90—seamless, durable, and UV-resistant!
Achieve a polished and professional finish for your HVAC line set cover system with the 4.5" Exterior 90. Order now and customize your installation with ease!
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
Last seen items
Authorized Service Center for the following Brands: Daikin - Goodman - MRCOOL - GWIN - Amana - Costway