12_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Bio-Fertilizer the AquaVita Air Stones are

the AquaVita Air Stones are great for aerating and circulating water in aquariums and hydroponic systems

It comes with LR5 Drive Motor

This Norwegian seaweed extract can be used throughout the growing season including during propagation to boost cutting/transplant health

Twister T2 Lower Shroud Assembly

The Dirty Dozen is a force to be reckoned with

12_1/2x23_1/2x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Bio-Fertilizer the AquaVita Air Stones areNordic 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