PURE SUBSTRATES Max Air 4" Starter Block, Buffered + Superwashed Quantity:Case (300 pcs) Pressure - 20-100 PSI

Pressure - 20-100 PSI

giving you fast and accurate readings when and where you need them

Boveda SKU: MB62-04

Why The Original Terpene Shield

PURE SUBSTRATES Max Air 4" Starter Block, Buffered + Superwashed Quantity:Case (300 pcs) Pressure - 20-100 PSIPURE STARTER BLOCK WITH 40MM HOLE 10X10X7CM COMMERCIAL GRADE GROW BLOCKS MANUFACTURED FROM HIGH GRADE COCO RAW MATERIAL. PURE starter blocks are made especially for cannabis Organic product Produced in ISO 9001: 2015 factory consistent quality assured. Wetting agent ensures nutrients are immediately plant available pH buffered using our patented, sustainable and totally organic process. Less toxic for the environment and surrounding water sources. The