Eliminate 100% of indoor grow odors — Prima Klima Ø200mm carbon filter loaded with 9.2 kg of coconut shell carbon, sized for extractors up to 1300 m³/h.
Trust: hand-picked by BloomLED, French indoor culture expert for 10+ years. The reference for 3×3, 4×4 tents and dedicated grow rooms.
Ø200 mm · 1300 m³/h max · 75 cm · 9.2 kg coconut carbon · Removable prefilter
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The Prima Klima K2605 Ø200 mm carbon filter is your decisive weapon against persistent grow-room odors. Packed with 9.2 kg of activated carbon sourced from coconut shells, it neutralizes terpenes, VOCs and fine particles on airflows up to 1300 m³/h. Engineered for demanding setups — 4×4 tents, multi-tent rooms, dedicated grow chambers — it guarantees total olfactory discretion and a clean environment for your plants.

| Specification | Value |
|---|---|
| Brand / Model | Prima Klima — K2605 |
| Flange diameter | Ø 200 mm |
| Filter length | 75 cm |
| Max airflow | 1300 m³/h |
| Optimal airflow | ≈ 1000 m³/h |
| Activated carbon load | 9.2 kg — coconut shell carbon |
| Total weight | ≈ 13 kg |
| Body construction | Anti-corrosion galvanized steel |
| Prefilter | Removable, washable fibre sleeve |
| Average service life | ≈ 12 months (depending on airflow and humidity) |
With a 1300 m³/h ceiling, this filter handles the most intense air renewal rates without saturating. Perfect for 4×4 tents, 1m × 2m × 2m rooms and multi-extractor configurations where every cubic meter must be scrubbed.
The 9.2 kg of coconut shell activated carbon delivers a higher adsorption surface than standard mineral carbon. The result: terpenes, ammonia, VOCs and organic odors are trapped efficiently, even in peak flowering.
Galvanized steel shell, corrosion-resistant, built for years of use in humid environments. The internal mesh ensures optimal air-to-carbon contact without excessive pressure drop.
The fibre prefilter traps coarse dust before it reaches the carbon. Washable in cold water or replaceable, it significantly extends the main carbon load's lifespan.
A premium German brand, Prima Klima has been the European benchmark in horticultural air filtration for over 20 years. Every filter is factory-tested to guarantee airflow and adsorption rates.
Paired with a properly sized extractor, this filter renders your indoor grow invisible to the nose. Ideal for shared spaces, apartments and sensitive residential areas.
To get the most out of the K2605, pair it with a Ø200 mm extractor with a nominal flow close to 1000 m³/h — that's the optimal operating zone that maximizes air-to-carbon contact time and filter lifespan. Avoid oversized extractors: too much velocity pushes air through the carbon too quickly and reduces adsorption efficiency.
Install the filter horizontally (suspended by straps from the tent's frame) or vertically depending on your layout. Prefilter facing the air intake, outlet connected to the ducting and extractor. Check the tightness of clamp rings to prevent unfiltered air leakage.
Regular maintenance keeps performance steady over time. Clean or replace the prefilter every 4 to 8 weeks depending on dust levels in your environment. Avoid environments holding above 70% relative humidity continuously, which degrades the carbon structure and shortens its service life.
Average lifespan sits around 12 months for typical use — indoor 12/12 or 18/6 cycle with permanent extraction. Once you smell odors at the duct outlet, it's the replacement signal. Store fresh filters sealed in their packaging, away from humidity, to preserve adsorption capacity until use.
Go with a Ø200 mm extractor rated between 900 and 1100 m³/h nominal. Models like the RVK 200, Prima Klima PK200 or TT200 are excellent matches. Above 1300 m³/h you risk reducing adsorption efficiency.
How long does the filter last in continuous use?Expect about 12 months in a typical indoor cycle (24/7 extraction, 40–60% RH). This can drop to 8–10 months with high humidity, or extend to 15–18 months in a dry, well-prefiltered environment.
Do I need a carbon filter in veg, or only in flowering?Best practice is to run it from day one to avoid odor spikes and preserve carbon life (which degrades even outside the odorous season). In flowering it is non-negotiable.
Can I install it as push instead of pull?Yes, but the pull configuration (filter upstream of the extractor) remains the most effective. It creates negative pressure in the tent and ensures no odor escapes through passive openings.
How do I know when to replace it?Three signs: (1) you smell odors at the duct outlet, (2) airflow drops despite a new extractor, (3) install date exceeds 12 months. Always note the commissioning date on the filter.
For a complete filtration chain, pair this Prima Klima Ø200 with a variable-speed Ø200 mm extractor and acoustic ducting to limit noise in residential environments.