The Eheim compactON range combines compact dimensions with powerful, adjustable water flow for a wide variety of aquarium applications. Suitable for both freshwater and saltwater aquariums, these pumps are ideal for circulation, sumps, filtration systems, water features and other applications requiring reliable water movement. Flow can be adjusted across all five models, allowing the pump output to be matched to your aquarium setup. The larger compactON 2100 and 3000 can also be configured for submerged or external use, providing additional flexibility for sump and filtration installations. Available Models & Specifications Model Adjustable Flow Max Head Height Pump Dimensions (W × H × D) Inlet Connection Outlet Connection compactON 300 170–300 LPH 0.6m 38 × 72 × 62mm Intake grille / no hose inlet 12/16mm compactON 600 250–600 LPH 1.0m 38 × 72 × 62mm Intake grille / no hose inlet 12/16mm compactON 1000 400–1000 LPH 1.4m 47 × 79 × 73mm 16/22mm or 19/27mm 16/22mm or 19/27mm compactON 2100 1400–2100 LPH 2.4m 70 × 142 × 109mm 19/27mm or 25/34mm 19/27mm or 25/34mm compactON 3000 1800–3000 LPH 2.7m 70 × 142 × 109mm 19/27mm or 25/34mm 19/27mm or 25/34mm Eheim's technical data confirms the adjustable flow ranges, maximum head heights, dimensions and hose connections above. Key Features ✔ Suitable for freshwater and saltwater aquariums✔ Adjustable flow across the 300, 600, 1000, 2100 and 3000 models✔ Compact design delivers strong performance without taking up excessive space✔ Strong suction cups help secure the pump in position✔ Includes accessories such as a suction basket and threaded coupling✔ High pump performance with efficient power consumption✔ compactON 2100 and 3000 feature ceramic bearing components for quiet, durable operation✔ 2100 and 3000 can be adapted for submerged or external use✔ Excellent for aquarium circulation, sumps and filtration systems✔ Five sizes available from 170 to 3000 litres per hour Perfect For Freshwater and marine aquariums, sump return pumps, aquarium filtration systems, additional circulation, custom filtration projects and installations where a compact but powerful pump is required.
