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

Nordic Pure 24x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

It gives the plant the ability to more readily and efficiently uptake the nutrients

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

and amplifying aroma and flavour in all flowering and fruiting plants

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