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The Bug Screen Mesh 304 mm. protects the air intake in Indoor cultivation, stopping insects, dust, and pollen before they enter the ventilation system.
With a diameter of 304 mm (12" / 30.48 cm), quick installation and effective prevention for rooms and indoor grow cabinets.

Installed at the intake mouth, the Bug Screen Mesh 304 mm. acts as the first mechanical barrier against thrips, substrate gnats, spores, and solid particles. When placed before the intake fan or extractor, the filtering fabric blocks contaminants without choking the airflow when the diameter is properly sized.
The result is a cleaner environment, lower pest pressure, better protected equipment, and a stable microclimate throughout the cycle.
The 304 mm format integrates with flexible ducts and wall sleeves of 300–304 mm using a clamp or sleeve, and maintenance is simple: gentle vacuuming or washing with water and soap to restore breathability.
This solution is among the most cost-effective cannabis cultivation accessories due to its preventive impact and low cost.
At Hydroponics Blanes, a trusted Grow Shop and a leading Grow Shop in Spain, you can find the right size, compatible accessories, and discreet shipping with specialized technical advice.
A clean intake is as important as good extraction. With Bug Screen Mesh 304 mm. you reduce the entry of dust and pest vectors from the first point of the circuit, promoting cleaner leaves and lights, less saturated filters, and greater environmental stability in large rooms and large-section tents.
Direct compatibility with flexible duct and wall sleeves of 300–304 mm. The slim profile makes installation easy in tight spaces, maintaining balanced flow. Recommended for XL tents, rooms with large-diameter intake, and drying rooms where it is important to minimize the entry of environmental contaminants.
Continuous use throughout the cycle: rooting, growth, flowering, and drying. Especially useful during pollen seasons, warm climates with high insect activity, or installations that draw air from transit areas. Every extraction hour brings in cleaner, more predictable air.
Available at Hydroponics Blanes, a leading Grow Shop in Spain. The technical team helps size intake/extraction, choose clamps, wall sleeves, and compatible ducts, and complete the system with controllers, sensors, and cannabis cultivation accessories. Platform with discreet shipping and close support.
Key features of Bug Screen Mesh 304 mm.:
Service and logistics: convenient online purchase with free shipping option from €40 (up to 25 kg) and 24/48 h deliveries depending on stock. Wide catalog to combine with filters, ducts, clamps, and climate control solutions.
Those looking for insect- and dust-free intake will find in Bug Screen Mesh 304 mm. a practical and durable solution. Perfect fit in XL tents and high-renewal rooms, significant reduction of contaminants, and lower risk of pest vectors.
With the backing of Hydroponics Blanes, a trusted Grow Shop recognized for discreet shipping, it is easy to raise the sanitary standard of the system within indoor cultivation projects, taking advantage of a complete ecosystem of cannabis cultivation accessories offered by a leading Grow Shop in Spain.