Meet the Aqua One Ocellaris – our best-selling external filter range, renowned for its dependable performance.
Delivering powerful, whisper-quiet filtration and energy efficiency, the Ocellaris simplifies aquarium maintenance with its quick-release taps and Easy Start primer.
Designed for tanks from 60 to 400 litres, its modular media system allows for tailored filtration, and you can choose models with or without independently controlled UV.
With its bright, modern design and included media, the Ocellaris is the smart choice for a healthy and beautiful aquarium.
Powerful, yet extremely quiet
Easy maintenance
Modular design to customise filter media
Quick release tap system
Easy Start Primer
Quick release taps for easy maintenance 850/1400
Easy start primer 850/1400
Independent UV switch 1400UV
Quick release lever 850/1400
Ocellaris 400 suits aquariums 60 to 100 litres capacity
Space saving design
Eliminates the need for an unsightly internal filter within the aquarium
Easy start primer
Quiet performance
Dimensions: 18 x 10 x 22cm
Max Flow Rate: 400 L/hr
Head Height: 1.0 metres
No. of Media Baskets: 3
Filter Volume: 2.5 litres
UV: N/A
Wattage: 6.7 Watts
Media: Ceramic Noodles, Wool Cartridge, Sponge (Black 35ppi)
Ocellaris 850 suits aquariums 150 to 250 litres capacity
Vastly superior filter performance compared to an internal filter
Eliminates the need for an unsightly internal filter within the aquarium
Easy start primer
Quiet performance
Dimensions: 19 x 19 x 38cm
Max Flow Rate: 850 L/hr
Head Height: 1.3 metres
No. of Media Baskets: 3
Filter Volume: 7.5 litres
UV: N/A
Wattage: 9.3 Watts
Media: Wool Pad, Sponge (Black 35ppi), Sponge 2x (Blue 15ppi), Sintered Glass Noodles, Sintered Glass Substrate
Ocellaris 1400 suits aquariums 250 to 400 litres capacity
Powerful, yet extremely quiet pressurised filter
Energy efficient
Easy maintenance
Easy start primer
Available with or without UV
Ocellaris 1400
Dimensions: 19 x 19 x 38cm
Max Flow Rate: 1400 L/hr
Head Height: 1.5 metres
No. of Media Baskets: 3
Filter Volume: 13 litres
Wattage: 21 Watts
Media: Wool Pad, Sponge (Black 35ppi), Sponge 2x (Blue 15ppi), Sintered Glass Noodles, Sintered Glass Substrate
Ocellaris 1400UV suits aquariums 250 to 400 litres capacity
Powerful, yet extremely quiet pressurised filter
Energy efficient
Easy maintenance
Easy start primer
Available with or without UV
Ocellaris 1400UV
Dimensions: 19 x 19 x 38cm
Max Flow Rate: 1400 L/hr
Head Height: 1.5 metres
No. of Media Baskets: 3
Filter Volume: 13 litres
Wattage: 21 Watts
UV: 9 Watts
Media: Wool Pad, Sponge (Black 35ppi), Sponge 2x (Blue 15ppi), Sintered Glass Noodles, Sintered Glass Substrate
Replacements Parts/Media:
25137I Impeller - Ocellaris 850/850 UVC 137i
25139I Impeller - Ocellaris 1400/1400 UVC 139i
25141I Impeller - Ocellaris 3000/3000 UVC 141i
25143I Impeller – Ocellaris 400 143i
25137W Wool Pad - Ocellaris 850/850 UVC 2pk 137w
25139W Wool Pad - Ocellaris 1400/1400 UVC 2pk 139w
25141W Wool Pad - Ocellaris 3000/3000 UVC 2pk 141w
25143W Wool Pad – Ocellaris 400 143w
25137S Sponge Pad 15ppi - Ocellaris 850/850 UVC 2pk 137s
25139S Sponge Pad 15ppi - Ocellaris 1400/1400 UVC 2pk 139s
25141S Sponge Pad 15ppi - Ocellaris 3000/3000 UVC 2pk 141s
25138S Sponge Pad 35ppi - Ocellaris 850/850 UVC 2pk 138s
25140S Sponge Pad 35ppi - Ocellaris 1400/1400 UVC 2pk 140s
25142S Sponge Pad 35ppi - Ocellaris 3000/3000 UVC 2pk 142s
25143S Sponge Pad 15ppi – Ocellaris 400 143s