
4MJR9 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.49 | Condition is New, Ceiling/Wall Return Air Grille, 30 In W X 8 In H Opening, 690Cfm, White, Steel,, shipping cost = $5.00 | 99.8% |
![]() | $24.00 | Condition is New, Zoro Select Return Air Grille, One Way,, shipping cost = $5.00 | 98.7% |
![]() | $29.28 | Top Pick! Condition is New, Ceiling/Wall Return Air Grille, 30 in W x 8 in H Opening, 690cfm, White, Steel,, FREE SHIPPING | 99.6% |
![]() | $229.10 | Top Pick! Condition is New, GRAINGER APPROVED 4MJR9 Return Air Grille,8x30",White PK 10, FREE SHIPPING | ![]() |

Introducing the 4MJR9 Ceiling/Wall Air Grille from Mestan, a sleek and efficient solution for circulating air in your home or commercial space. This grille is designed to accommodate airflow volumes between 30 and 690 CFM, making it a versatile option for various HVAC systems.
Crafted from high-quality steel, this grille boasts a robust and durable construction. The steel material not only adds to its strength but also provides a modern and sophisticated look that complements any interior design. The grille measures 24 inches by 12 inches, with a thickness of 3/4 inch, ensuring a perfect fit for standard wall and ceiling spaces.
The 4MJR9 features a smooth, rounded design with clean lines that blend seamlessly into any decor. The grille openings are evenly spaced and sized, allowing for optimal airflow while maintaining an aesthetically pleasing appearance. The grille's surface is finished with a durable powder coat, offering protection against corrosion and ensuring a long-lasting finish.
This ceiling/wall air grille comes with adjustable deflector plates, enabling you to direct airflow to specific areas as needed. The deflector plates are easily adjustable, allowing you to change the direction of the airflow to suit your preferences or the requirements of your space.
Installing the 4MJR9 is a breeze. It is compatible with both ceiling and wall mounting applications and comes with mounting hardware included. The grille can be installed using the provided J-hooks for ceiling mounting or the provided screws for wall mounting.
In summary, the 4MJR9 Ceiling/Wall Air Grille from Mestan is an excellent choice for those seeking a functional, stylish, and versatile air distribution solution. Its durable steel construction, adjustable deflector plates, and compatibility with various airflow volumes make it a worthwhile investment for both residential and commercial applications.
Product Name: 4MJR9 Ceiling/Wall Air Grille, 30 inches, 690 CFM, Steel
Pros:1. Large Airflow: With a CFM (cubic feet per minute) rating of 690, this air grille can circulate a significant amount of air, making it suitable for larger rooms.
2. Versatile Mounting: The 4MJR9 can be mounted on the ceiling or wall, providing flexibility in installation.
3. Steel Construction: The steel material is durable and resistant to rust and corrosion, ensuring long-term use.
4. Attractive Design: The modern, sleek design is aesthetically pleasing and can blend well with various interior decors.
5. Easy Installation: The included instructions and mounting hardware make installation relatively straightforward.
Cons:1. High Airflow May Be Overkill: For smaller rooms or spaces, the high airflow might be unnecessary, leading to energy waste and potential discomfort.
2. Limited Filter Options: This model may not include a replaceable filter, which could lead to increased maintenance and potential air quality issues.
3. Potential Leakage: Some users have reported leakage around the edges, which could lead to water damage if used in humid environments.
Conclusion:The 4MJR9 Ceiling/Wall Air Grille is a solid choice for those seeking a large-capacity air distribution system for larger spaces. Its versatile mounting options, steel construction, and modern design add to its appeal. However, it may not be the most cost-effective option for smaller rooms due to its high airflow capacity. Furthermore, potential issues with filter options and leakage should be considered before making a purchase.
Recommendation:If you are looking for a high-capacity air grille for larger spaces, the 4MJR9 could be a good fit. However, assess your specific needs, such as room size and desired airflow, before making a purchase. Additionally, consider factor in the potential costs and challenges associated with filter replacement and potential leakage. Alternatively, you may want to explore other models with more filter options or lower CFM ratings to find a more cost-effective solution that better suits your needs.
Details:
If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers. Return air grille, overall depth 1/4 in, height 9 3/4 width 31 maximum opening 8 30 filter not applicable, grille color white, material steel, damper bar spacing 3/8 face design louvered, airflow directions one-way, adjustable blades no, mounting location ceiling, wall, surface mount. Further warranty may be offered by the product manufacturer.: colorwhitempn4mjr9upc 3.
Warranty issues with all power equipment must be addressed through the manufacture.
specifications maxohvac:
- brand: Manufacturer Varies
- mpn: 4mjr9
- type: Ventilation
- country of origin: China
- color: White
- material: Steel
- upc: 190735516133
offer maxohvac:
- sold #: 7
- availability: in stock
- started: february 16, 2026
- in stock #: 4
- options: ship-to-home
- prices: $20.49–$229.10
- item condition: New
returns maxohvac:
- method: money back
- time: 30 days
- policy: returns accepted
- paid by: buyer
shipping maxohvac:
- carrier: ups
- type: fixed
- transit: 4-6 days
- service: ups ground
- class: standard
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 99.6%
- city: hibbing, minnesota
- # reviews: 148958
payments maxohvac:
- other
- wallet: apple-pay
- credit card: visa
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