18x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack pest control This tool is ideal for

This tool is ideal for both professional landscapers & hobby gardeners

With both a 0 to 60 second adjustable time delay for promoting even growth from end to end and a two to four feet per minute adjustable speed that covers a wide range of lamp intensities and travel distances

Use the Hydrologic reverse osmosis water filter Float Valve 20+ GPM for Big Boy or Delivery Pump to customize your indoor hydroponic garden

BioWorks Mycotrol ESO offers the same superior quality as its counterpart

- (1) Fill/Drain Fitting

18x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack pest control This tool is ideal forNordic Pure Custom MERV 13 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