







Desertcart purchases this item on your behalf and handles shipping, customs, and support to Australia.
🌀 Keep your air fresh and your space flawless with the ultimate backflow barrier!
This 100 mm diameter PVC connector with an integrated backflow flap is designed for ventilation systems in residential and commercial buildings. It prevents air from flowing backward, ensuring only fresh air circulates. The white, smooth plastic finish offers durability and aesthetic appeal, fitting standard 4-inch ducts seamlessly. Ideal for maintaining clean airflow, it comes with a 2-year manufacturer warranty for reliable, long-term use.
| ASIN | B00FCE0RSE |
| Best Sellers Rank | #893,660 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,470 in HVAC Ducting |
| Brand Name | MKK |
| Color | White |
| Connector Type | Plug |
| Customer Reviews | 4.3 4.3 out of 5 stars (3,533) |
| Exterior Finish | Smooth plastic surface |
| Included Components | No |
| Item Dimensions | 3.94 x 3.94 x 2.36 inches |
| Item Type Name | Building material |
| Manufacturer | MKK |
| Manufacturer Part Number | A289a_SML |
| Manufacturer Warranty Description | 2 Year Manufacturer Guarantee. |
| Material Type | Polyvinyl Chloride |
| Model Number | KO100-22 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Size | Klein |
| Thread Size | 4 inch |
| Thread Type | UN |
| Unit Count | 1 Count |
Trustpilot
3 days ago
2 weeks ago