Blue Diamond Envir-o® ET Series Air Pumps - Contractor Bulk Case Concentrated long-lasting material is bonded to

long-lasting material is bonded to keep its shape

9 Watt power usage

this formula brings out bright

Built-In Plumbing Channels

Green Matala makes a good biofilter

Blue Diamond Envir-o® ET Series Air Pumps - Contractor Bulk Case Concentrated long-lasting material is bonded toSave even more when you buy Blue Diamond air pumps in bulk! Each bulk case has a savings of $10 per pump compared to buying the pumps individually from us. Send proof of contractor credentials for an additional 10% off of these spectacular bulk prices! Blue Diamond ET Series Air Pumps are versatile pumps that can be used in aquariums, ponds and certain septic applications. The weatherproof pump has a robust and compact construction, and the main body