Each Master Mat can handle up to 3 Add-On mats
Made from USDA and FHA certified materials
Reduces Mineral build-up and biofilms in pressure compensating drip emitters
they work excellent with other brands as well
The much cooler electronics result in a greater reliability and a longer life and the new design of the housing even increases that effect
Boveda 2-Way Humidity Control Packs, 62% - 320 Grams, Pack of 6 Extraction Freezers Each Master Mat can handleBovedas patented two way humidity control preserves the rich flavors, delicious aromas and potent effects of buds wherever you store flower to keep it freshMason jars, stash bags, and airtight containers. Nobody wants to smoke less than stellar flower. When overly dried, bud can lose the rich flavors, delicious aromas and potent effects people are looking for. Boveda works automatically using its patented 2 way humidity control to protect flower,