29x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments Use any combination of DE

Use any combination of DE lamps to create the spectrum you desire

Its multifaceted 95% European hammertone aluminum gives excellent light uniformity and diffusion and will provide consistent delivery of the excellent color spectrum and PAR output of any Hydrofarm-recommended 315W ceramic halide lamp

• No circling roots

Coverage Area Size: 4x4ft

29x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments Use any combination of DENordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition