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150 mm Metal Sleeve. Odor Resistant is a connector for 150 mm ducts that houses a neutralizing block such as Ona Block or Zerum Block. It reduces residual odor from indoor cultivation and provides discretion in indoor grow cabinets with forced extraction.

The 150 mm Metal Sleeve. Odor Control acts as the final stage of air treatment within the extraction line. The sturdy and stable metal body integrates an inner compartment to place a deodorizing block compatible with Ona Block or Zerum Block.
The air circulates through the sleeve, comes into contact with the aromatic surface of the block, and attenuates remaining volatile compounds that could escape outside.
This accessory works together with the carbon filter: the filter captures particles and most organic compounds, while the sleeve adds an aromatic “finish” that stabilizes the system’s discretion.
Installation is simple with 150 mm clamps and flexible or rigid duct; it does not require electrical power or auxiliary controls.
The design allows for quick block replacement, occasional maintenance, and internal cleaning when necessary.
Aimed at cabinets and medium-sized rooms, this metal connector fits 150 mm branches used with common extractors in Grow Shops in Spain, achieving additional neutralization highly valued in Indoor cultivation during flowering and drying periods.
Designed for indoor cultivation environments with 150 mm extraction, this sleeve offers an efficient solution to reinforce odor control in indoor grow cabinets, technical rooms, and post-harvest areas. The metal construction withstands vibrations, temperature, and frequent handling, maintaining stable performance throughout the cycle.
It is used to neutralize residual odors and aromatize the airflow before it exits outside. The deodorizing block reduces terpenes and other odorous compounds that, even after the carbon filter, may remain in the flow. The result is air that is more neutral and pleasant outside the enclosure.
This connector belongs to the category of specialized cannabis cultivation accessories for air treatment. Compatible with Ona Block and Zerum Block, it integrates without adapters into 150 mm lines and works alongside extractors, filters, and elbows commonly used in Grow Shops in Spain. A practical, economical, and low-maintenance solution to enhance aromatic discretion.
Particularly useful during flowering, drying rooms, and hot periods, when terpene volatilization increases. Recommended in commercial basements and residential areas with nearby neighbors, as well as in installations seeking to refine the outgoing odor with an extra aromatic touch without increasing electricity consumption.
1) Place the 150 mm Metal Sleeve. Odor Control at the final section of the duct, after the carbon filter and before the external outlet.
2) Insert a Ona Block or Zerum Block inside; secure the block to prevent movement due to vibration.
3) Ensure tightness with clamps and suitable tape; well-sealed joints maximize effectiveness.
4) Adjust the extractor flow to ensure sufficient contact time between air and block.
5) Periodically check the condition of the block; replace when the aromatic intensity decreases.
6) Keep the sleeve free of dust and lint to maintain stable and silent airflow.
7) Combine with a carbon filter sized to the flow, creating a double barrier against odor.
Available at Hydroponics Blanes, a trusted Grow Shop with technical advice, updated catalog, and discreet shipping. A reference as a Grow Shop in Spain, with complete solutions in ventilation, filters, extractors, and cannabis cultivation accessories to optimize any Indoor cultivation.
The 150 mm Metal Sleeve. Odor Control provides a simple and effective response to improve aromatic discretion in extraction systems. The compartment for the neutralizing block, compatibility with 150 mm ducts, and direct installation make this accessory an ideal ally to stabilize the aromatic output, speed up maintenance, and enhance environmental comfort in modern indoor grow cabinet installations. With the support of Hydroponics Blanes and the convenience of discreet shipping, it is easy to take air treatment to the next level.
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