Achieve powerful, natural odour control in hydroponic systems, grow tents, and indoor gardens with this compact, plant-based block. Formulated with essential oils, it targets and neutralises smells at the source—never masking—leaving your space clean, fresh, and comfortable for weeks. High-performance odour neutralisation for indoor gardening and hydroponics Compact 170g block ideal for small to medium grow rooms 100% plant-based, essential oil formula that’s safe and environmentally friendly Works alone or with ONA-Air duct systems for enhanced, even distribution Long-lasting, reliable, and easy to use Benefits: Eliminates unwanted smells instead of masking them Promotes a clean, fresh, and healthy growing environment Enhances air quality in grow tents, hydroponic tanks, and indoor gardens Supports a professional, low-maintenance odour control routine How to Use:Remove the block from its packaging and place it in a central or elevated position in your grow space. Odour‑neutralising vapours release immediately. Use protective gloves when handling. Keep out of reach of children and avoid extreme temperatures. Replace after several weeks of use. Whether used on its own or integrated with ducted airflow, this natural odour neutraliser delivers consistent, long‑lasting performance—perfect for maintaining a discreet, clean, and pleasant indoor growing environment.