Description
BUGGED OUT INSECT SCREEN 4″/100MM is the compact fine-mesh pest exclusion screen for 4-inch (100mm) ducting intake openings, preventing flying insects from entering smaller grow tents and grow rooms through fresh air passive intakes and fan-driven intake ports. We have been recommending Bugged Out insect screens to UK growers since 2017 as one of the most cost-effective proactive pest prevention measures in any integrated pest management programme.
Why Physical Pest Exclusion at the Intake Is the Most Efficient Pest Control
Preventing pest entry is always more effective and less costly than treating established infestations. A single fungus gnat female that enters through an unscreened intake can lay hundreds of eggs in moist substrate, and a single mite or thrip adult can establish a population that reaches damaging density in two to three weeks in a warm grow room. Chemical treatment of established pest populations in an active flowering crop carries residue risks, requires multiple applications, and often fails to eliminate all life stages in a single treatment — leaving a remnant population to rebuild. The Bugged Out 4-inch insect screen costs a fraction of a single pest treatment and provides passive, continuous protection against the most common flying pest entry route throughout every crop cycle without any ongoing chemical input. The 4-inch format is sized for the small-diameter passive intake ports and 100mm active intake fan configurations used in compact grow tents and smaller growing spaces.
Fitting, Maintenance, and Integration with IPM
Fit the 4-inch Bugged Out screen over the intake duct or passive port opening, securing with cable ties or an appropriate clip mechanism around the duct edge. Clean periodically by brushing or gentle washing to remove accumulated dust and debris that progressively restricts airflow through the fine mesh. For passive intake ports, monitor that the screen restriction does not cause negative pressure issues in the grow space — ensure adequate passive intake area for the extraction volume being moved. Pair with yellow sticky traps inside the grow space for early detection of any pest breakthrough, and combine with biological control agents as part of a comprehensive IPM programme. Browse our full Bugged Out insect screen range across all standard ducting sizes from 4-inch to 12-inch, and our complete IPM product selection.
Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).







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