De-Ionization Cartridge - color changing
De-Ionization Cartridge - color changing at HorticultureSource.com -
Hydro-Logic De-Ionization Cartridge - color changing (HL22017) De-Ionization Cartridge (Big): 10" X 4.5" - Color changing - Transluscent housing   Manufacturer's Product Information MSRP each $ 79.95 UPC 812111010379 Dimensions 2 x 6 x 2 Case Weight 15 Case Quantity 6