Grodan Pargro QD Biggie Block with Hole, 6" x 6" x 6" - Case of 64 Trim Bin Filters MIICROBIAL MASS PRO aids in

MIICROBIAL MASS PRO aids in creating a healthier

Dimensions: 14 × 14 × 4 in

Manufacturer's Product Specifications for Quest MERV 13 Filter

Why settle for ordinary when you can have the extraordinary

Treats lawns

Grodan Pargro QD Biggie Block with Hole, 6" x 6" x 6" - Case of 64 Trim Bin Filters MIICROBIAL MASS PRO aids inPargro Quick Drain Stonewool Grodan Pargro line has been modified to be the driest value priced Rockwool on the market. Pargro is the leader among affordable horticultural Rockwool. There are other brands that offer the same low price, but you end up sacrificing quality. Not with Pargro! Since it is made right in the Grodan factory, you can be assured of a high quality product at a great price. Pargro Quick Drain (QD) blocks are up to 14% drier than