
Grodan Pargro QD Biggie 6 in
Grodan Pargro same quality, same value-priced, now half sized cases of 48 blocks. Plain brown half case sizes. Grodan Pargro QD (Quick Drain) have better quality and drainage than other value-priced rockwool. Grodan Pargro QD Biggie blocks are 14% drier than competitor blocks.