Rhino Hobby Replacement Pre-Filter Sleeve for Carbon Filters
Rhino Hobby Replacement Pre-Filter Sleeve for Carbon Filters
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Keep your carbon filter breathing at full efficiency
The pre-filter sleeve is the first line of defence on any carbon filter, catching dust, leaf debris and airborne fibres before they reach the carbon bed. This replacement range covers Rhino Hobby filters from 4" to 10" in 300mm, 400mm and 600mm body lengths, so there is a match for whatever you have hanging in the tent. Each sleeve is supplied singly and slips straight over the filter body, held in place by its own elasticated weave. Swapping the sleeve on a regular schedule is the simplest bit of maintenance in the grow room.
Key Benefits
- Protects the carbon - stops dust settling in the carbon bed, so the active material is left free to deal with odour.
- Maintains airflow - a clean sleeve keeps static pressure low and lets your extractor fan pull its rated volume.
- Extends filter life - a sleeve swap is a far smaller job than replacing a filter, and it buys you extra months of service.
- Full size coverage - options for 4", 5", 6", 8" and 10" Rhino Hobby bodies in short and long lengths.
- Tool-free fitting - pull the old sleeve off, slide the new one on, done in under a minute.
Why a Clogged Sleeve Quietly Costs You Airflow
A pre-filter that has gone grey with dust behaves like a partly closed damper. Your fan is still running at the same speed, but the volume of air actually moving through the tent drops, temperatures creep up and odour control starts to slip. Because the change happens gradually, most growers only notice once the room is already too warm. Replacing the sleeve on schedule keeps the whole extraction system working to the numbers it was specified at.
How to Use
- Match the sleeve to your filter's diameter and body length before ordering.
- Peel the old sleeve off the filter and dispose of it away from the grow space.
- Roll the fresh sleeve over the filter body so it sits flat with no creases.
- Check that the sleeve covers the full mesh area and does not overhang the flange.
- Inspect monthly and replace as soon as it looks visibly loaded with dust.
Specifications
| Product | Replacement pre-filter sleeve |
|---|---|
| Compatible With | Rhino Hobby carbon filters |
| Sizes Available | 4" x 300mm, 5" x 300mm, 6" x 300mm, 6" x 600mm, 8" x 400mm, 8" x 600mm, 10" x 600mm |
| Function | Removes large dust particles from incoming air |
| Supplied As | Single sleeve |

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.