Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 21 3/4 in H - Surface-Mount Grilles
APPROVED VENDORSurface-Mount Grilles

APPROVED VENDOR Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 21 3/4 in H

The APPROVED VENDOR 4MJR5 is a louvered return air grille, a surface-mount grille designed for ceiling mounting. This white, powder-coated steel unit measures 21 3/4 inches in height, 21 3/4 inches in width, and 1/4…

SKU 3G-OTH-77911

Brand
APPROVED VENDOR
Item
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 21 3/4 in H
Category
Surface-Mount Grilles
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
4MJR5
Type
White, Powder Coated, Steel, 21 3/4 in W
D
1/4 in
H
21 3/4 in
Fire Rating
Not Fire Rated
Mounting Location
Ceiling
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR 4MJR5 is a louvered return air grille, a surface-mount grille designed for ceiling mounting. This white, powder-coated steel unit measures 21 3/4 inches in height, 21 3/4 inches in width, and 1/4 inch in depth. It is not fire rated.

Frequently Asked Questions

What is the APPROVED VENDOR 4MJR5 return air grille used for?

The APPROVED VENDOR 4MJR5 is a louvered return air grille used in HVAC systems to allow air to flow back into the return duct from a conditioned space. It is designed for ceiling mounting in commercial or industrial environments where a non-fire-rated, surface-mount solution is needed.

What are the specifications of the APPROVED VENDOR 4MJR5 grille?

The APPROVED VENDOR 4MJR5 is a white, powder-coated steel louvered grille measuring 21 3/4 inches in height, 21 3/4 inches in width, and 1/4 inch in depth. It is designed for ceiling mounting and is not fire rated. The brand is APPROVED VENDOR.

Where to buy the APPROVED VENDOR 4MJR5 return air grille worldwide?

3G Electric supplies the APPROVED VENDOR 4MJR5 return air grille to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this surface-mount grille for your HVAC project.

How to install the APPROVED VENDOR 4MJR5 ceiling grille?

Install the APPROVED VENDOR 4MJR5 by securing it to the ceiling opening with screws or clips, ensuring the louvered face is unobstructed for proper airflow. Follow standard HVAC practices for return grille installation, including sealing edges to prevent air leaks. This unit is not fire rated.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR surface-mount grilles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJR1). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJR1). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 17 3/4 in W, 1/4 in D (MPN 4MJR3). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 17 3/4 in W, 1/4 in D (MPN 4MJR3). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 13 3/4 in W, 1/4 in D (MPN 4MJN5). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 13 3/4 in W, 1/4 in D (MPN 4MJN5). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 25 3/4 in W, 1/4 in D (MPN 4MJR6). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 25 3/4 in W, 1/4 in D (MPN 4MJR6). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 17 3/4 in H, 17 3/4 in W, 1/4 in D (MPN 4MJR4). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 17 3/4 in H, 17 3/4 in W, 1/4 in D (MPN 4MJR4). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 25 3/4 in W, 1/4 in D (MPN 4MJR7). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 25 3/4 in W, 1/4 in D (MPN 4MJR7). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 11 3/4 in W, 1/4 in D (MPN 4JRR6). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 11 3/4 in W, 1/4 in D (MPN 4JRR6). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 15 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJR2). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 15 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJR2). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 9 3/4 in W, 1/4 in D (MPN 4MJN3). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 9 3/4 in W, 1/4 in D (MPN 4MJN3). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 11 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJN7). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 11 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJN7). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJP9). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4MJP9). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 13 3/4 in W, 1/4 in D (MPN 4JRR7). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 7 3/4 in H, 13 3/4 in W, 1/4 in D (MPN 4JRR7). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 31 3/4 in W, 1/4 in D (MPN 4MJP3). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 9 3/4 in H, 31 3/4 in W, 1/4 in D (MPN 4MJP3). Key specifications — Mounting Location: Wall; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 15 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4JRT1). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.
APPROVED VENDOR
Return Air Grille: Louvered Grille, White, Powder Coated, Steel, 15 3/4 in H, 15 3/4 in W, 1/4 in D (MPN 4JRT1). Key specifications — Mounting Location: Ceiling; Brand: APPROVED VENDOR; Fire Rating: Not Fire Rated.