Blue Diamond Envir-o® ET Series Air Pumps External Pumps But Buff-it-Up is not limestone

But Buff-it-Up is not limestone

Important: Damage to light may occur if the unit is not fully submerged

Built-in pressure relief valve protects the pump if airlines become kinked

Use the API® NITRATE TEST KIT to ensure that the nitrate levels in your tank are safe and healthy for your fish

Blue Diamond Envir-o® ET Series Air Pumps External Pumps But Buff-it-Up is not limestoneGreen drive technology energy efficient motors low power consumption Specially formulated diaphragm material for extended life No wearing parts no reduction in performance Robust and compact construction weatherproof Easy to service with competitively priced spares kit Suited to intermittent or continuous duty applications Used by original equipment manufactures of NSF certified residential sewage treatment systems UL and CE approved PLEASE NOTE: