15x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration 9 x FloraCap® | Round

9 x FloraCap® | Round

top-grade BPA-free white plastic HIGH REFLECTIVITY – The white plastic reflects light back to plants LARGE SIZE – With an outer dimension of 21

Hydrofarm's Mini Sunburst reflector comes with all that you need to get growing at a price that just can't be beat

Use with the ILUMINAR Touch Controller or the NEW HASH Controller

easy to use and easy to store

15x18x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration 9 x FloraCap® | RoundNordic 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