10x36x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack complete-systems Pre-amplified pH electrode

Pre-amplified pH electrode

With only one moving part

100% green technology

PhysioSpec Greenhouse: 85W

277V and 347V plug options are available from Hydrofarm)

10x36x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack complete-systems Pre-amplified pH electrodeNordic Pure Custom MERV 10 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