Grodan Pargro QD Biggie Block 6 in x 6 in x 6in w/ Hole (Per Block)

DrainageDriest value-priced rockwool on the market14% drier than competitor blocksValueValue priced—no frills saves you moneyHalf case sizes in plain boxesQualityCheap in price by not in strength and uniformityMade under quality control at Grodan factories