Pay in 4 interest-free payments of $12.75 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
A continuous shower of CO2 directly onto your plants is the most efficient way to deliver CO2
A large capacity without a weighing bowl is fairly useless
Follow our grow schedule for the best results
compact growth
Four square obeservation windows on the front & back door
20x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack Electrical Components A continuous shower of CO2Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter
US$ 689.90
US$ 247.50
US$ 159.98
US$ 56.00
US$ 33.98
US$ 54.00
US$ 1249.50
US$ 135.00
