J&D Manufacturing Light Trap System Trimmer Parts & Accessories Use at least once per

Use at least once per week or as frequently as every watering

Different HEPA filters may cause the flow to vary

Store in a cool dark place away from heat and light

3rd Party Tested

Hydroponic Reservoirs from Active Aqua

J&D Manufacturing Light Trap System Trimmer Parts & Accessories Use at least once perNo more guesswork. No more estimates. No more tough calculations. Just easy and reliable. We provide tested data on each of our Light Trap Combination Systems making it easy to design and meet your ventilation needs with confidence. Less light, more ventilation! J&D Manufacturing Light Trap Combination System Key Features Light Trap + Transition + Fan Patent Pending System Design Mounts flush to interior wall eliminating obstructions and surfaces for