This listing includes a 20" Γ 20" sheet metal return air filter rack plenum, handcrafted in the USA from 26-gauge galvanized steel. Designed to house a standard 20" Γ 20" Γ 1" air filter, this plenum features a sliding access door, a 3/4" hem flange, and a 12" collar for duct connection. Built for durability and easy maintenance, itβs ideal for HVAC professionals, installers, or DIY ventilation projects.
π¨ Ventilation Compatibility
Perfect for use with:
- Standard 20" Γ 20" Γ 1" air filters
- HVAC return air setups
- Residential, commercial, or shed ventilation systems
- 12" round ducting via integrated collar
π¦ Whatβs Included
- β
One (1) 20" Γ 20" Γ 5-1/8" filter rack plenum
- β
3/4" hem flange on one end for mounting
- β
End cap with 12" collar (4" collar length)
- β
Sliding door for filter access (slides from either side)
- β Air filter not included
π§ͺ Condition & Specs
- New
- Handmade in America using 26-gauge galvanized steel
- Sliding door allows easy filter replacement from either side
- Collar end fits standard 12" round duct
- Sold as-is β no returns, no guarantees
π Product Dimensions
- Plenum Size: 20" Γ 20" Γ 5-1/8"
- Hem Flange Dimensions: 21-5/8" Γ 21-5/8"
- Collar Size: 12" diameter Γ 4" length
- Filter Compatibility: 20" Γ 20" Γ 1" standard air filter
π οΈ Key Features
- Durable galvanized steel construction
- Clean hem flange for secure mounting
- Sliding access door for quick filter changes
- Integrated 12" collar for duct connection
- Built for long-term reliability and easy servicing
π Shipping & Packaging
- Fast shipping β we aim to hand off to the carrier same day
- Carefully packaged to prevent dents or damage
- Ships securely and safely
βοΈ Need More HVAC Accessories?
Check out our other listings for ducting, fans, collars, and filter racks while supplies last.
β Questions Welcome
Need more info or want to confirm compatibility? Just ask! I respond quickly and clearly so you can feel confident before you buy.