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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Compatible with all nutrient systems — soil
Good value
Humidity control
An extremely high-phosphorus formula designed specifically for late-stage flowering
ONA Air Filter – Continuous Ducting Odour Control for Indoor Growing Organic Boosters Compatible with all nutrient systemsThe ONA Air Filter provides complete, continuous odour neutralisation for your indoor growing environment. Attach it directly to your ventilation ducting, load it with ONA Blocks, and any unwanted odours passing through your exhaust are permanently eliminated not masked. Key Benefits Continuous passive odour control no electricity required Works with your existing extraction system Metal lid with rubber seal for an airtight fit Quick release catches
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