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Rockwool/Clay Pebbles
Full spectrum white
Curing with mason jars or glass jars is effective and still used today
This also eliminates the need for you to actively compress your replacement charcoal and facilitates the refilling process
The larger tank sizes are recommended more when water-soluble fertilizer is needed for an entire greenhouse or major agricultural operation
DL Wholesale Backdraft Damper, 6" Dry Sifters Rockwool/Clay PebblesDL Wholesale Backdraft Damper Made of galvanized steel. Prevents reverse air flow when fans are shut off. Saves CO2 and prevents odors from flowing backward. Rubber gasket pre installed on exterior for an airtight seal. Available in: 4" 6" 8" 10" 12" Can't find the DL Wholesale part you are looking for? Give us a call and one of our dedicated sales reps will be able to assist you!
