Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings
The TrolMaster DSH-2 Humidity control / device modules (240V) allow the user to easily connect and control standard humidifying or dehumidifying devices to the Hydro-x
Fluence Cantilever (Pair) for RAZR x
8" x 20'' Standard Carbon Air Filter
The use of graphite also reduces the polarization effect common with amperometric testers that use two stainless steel pins
16x20x2 Pleated MERV 7 Air Filters 12 Pack Reflectors & Grow Lights Mini-Blocks sit in a trayNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters