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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
12 mil thick
Best results will be achieved by making more frequent applications every 2 to 3 weeks rather than increasing the concentration of the spray solution
BIG MAMA is the largest block ever produced by Grodan
The GC-1000 delivers high-efficiency and the highest PAR available in the horticultural industry
Works great in humid areas
16x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack hawthorne 12 mil thickImportant 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 16x20x4 filter
US$ 2005.00
US$ 530.00
US$ 599.50
