The Can-Filter Flange – 8 in is a spun steel connector used to attach an 8-inch Can-Filter carbon filter to flex ducting or a Can-Fan inline fan, directing filtered air out of the grow room or ventilated space. It ships with a foam rubber seal and six hex drive self-tapping screws that form a tight, gap-free connection with Can-Filter products.
Can-Filter Flange – 8 in Specifications
All specifications are derived from the canonical product data and manufacturer documentation.
| Specification | Value |
|---|---|
| Diameter | 8 in |
| Material | Spun steel |
| Included Hardware | 6 hex drive self-tapping screws |
| Seal Type | Foam rubber seal (included) |
| Weight | ~2.0 lb (1.9996 lb) |
| Size Range (Can-Filter flanges) | 4 in to 20 in |
| Brand | Can Filters |
Why Choose the Can-Filter Flange – 8 in
If you are running an 8-inch Can-Filter carbon filter with an 8-inch Can-Fan or flex ducting, this flange is the purpose-built connector that completes the system. Here is what the product actually provides:
- Designed specifically for Can-Filter products. The flange is engineered to mate with Can-Filter carbon filters and Can-Fan inline fans, so the fit is precise rather than improvised.
- Foam rubber seal included. The seal is pre-packaged with the flange, so you have what you need to close gaps at the filter connection point without sourcing additional materials.
- Six hex drive self-tapping screws included. The hardware ships in the box. You do not need to source specialty fasteners separately; the screws thread directly into the filter housing to hold the flange securely.
- Spun steel construction. The flange is formed from steel rather than plastic, which holds its shape under the mechanical stress of duct weight and maintains a consistent seal over time.
- Available in a full size range. Can-Filter flanges cover 4 in through 20 in, so if you later upgrade to a larger or smaller filter, the same flange system applies across the product line.
Best Uses for the Can-Filter Flange – 8 in
This flange is a straightforward ducting accessory. It belongs in a specific role: connecting an 8-inch Can-Filter to the rest of an exhaust ventilation system. Common application contexts include:
- Indoor grow tents and grow rooms. Growers running an 8-inch Can-Filter for odor control attach this flange to transition from the filter body to flex ducting that routes exhausted air out of the space.
- Can-Fan pairing. When mounting a Can-Fan directly to a Can-Filter, the flange provides the mechanical interface between the fan inlet and the filter outlet port, keeping the assembly aligned and sealed.
- Replacement in an existing system. If an original flange is damaged, corroded, or has developed a leak at the connection point, this replacement restores a proper seal without requiring a full filter or fan swap.
- New system builds. Growers assembling a ventilation system from individual components (filter, fan, ducting) need a flange at the filter outlet. This unit ships with all required hardware, making it a complete drop-in connector.
- Climate and odor control setups in Climate & Environment builds. Alongside related accessories such as a pre-filter for the intake side, the flange handles the exhaust connection on the filter.
Compatibility
The Can-Filter Flange – 8 in is designed to work with the Can-Filter range of carbon air filters and the Can-Fan range of inline duct fans at the 8-inch diameter. Specifically:
- Can-Filter carbon filters (8 in port). The flange attaches to the outlet port of any 8-inch Can-Filter carbon filter using the included hex drive self-tapping screws.
- Can-Fan inline fans (8 in inlet). The flange serves as the mechanical connection point between an 8-inch Can-Fan and the filter, allowing the fan to draw air directly through the filter body.
- Standard 8-inch flex ducting. Once attached to the filter, the flange accepts 8-inch flexible duct for routing exhaust air. The foam rubber seal helps close any gap between the flange collar and duct end.
- Not recommended for non-Can-Filter products. The flange is dimensioned for Can-Filter products. It may not align correctly with third-party filters or fans that use non-standard port geometries.
If you are running a compatible supplemental circulation fan alongside your exhaust system, confirm that your inline exhaust fan is matched to the 8-inch flange before purchasing.
Sources & Further Reading
Product specifications and compatibility information sourced from the Can Filters manufacturer website.















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