Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single ETL-Rated + EZ Mount: Certified

ETL-Rated + EZ Mount: Certified for continuous use with an included mount bracket

500 Packets Per Master Case: Volume for a packaging line rather than a retail shelf or a single humidor

Detailed step-by-step Procedure to perform successful tissue culture

4 integrated outlets: Any temperature or humidity trip fires all four outlets

1807-2130 CFM: 12-inch or 14-inch high-velocity airflow

Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w/ Hole Cases and Singles:Single ETL-Rated + EZ Mount: CertifiedGrodan ParGro Jumbo 6 inch x 6 inch x 4 inch w Hole The Grodan ParGro Jumbo 6 inch x 6 inch x 4 inch w Hole is a game changer for hydroponic growers seeking superior moisture control and optimal root development. With its outstanding features, these rockwool blocks provide the perfect growing medium for your plants, ensuring healthy and vigorous growth. The Pargro line by Grodan has been specially modified to offer the driest value priced rockwool on