
Oase Highline 300 Optiwhite Tank & Cabinet
The Oase HighLine 300 is a premium aquarium system combining contemporary design with efficient technology, ideal for freshwater and marine setups. With a 302-litre capacity, it includes a base cabinet in three finishes, complete with handleless doors, concealed drawers and integrated filter tubing. Optional extras such as the BioMaster Thermo 350 external filter provide advanced filtration and temperature control while remaining discreetly hidden from view.
Key Features:
- Hidden technology thanks to the dry shaft and filter intake tubing
- Individually configurable base cabinet with practical drawers
- Outstanding quality and fascinating design
- Lighting not included. See recommended lighting
Chic: Aluminium cover that can be completely opened, aluminium effect strip to cover the gravel and water edge
Effectively concealed: A dry shaft, as well as cut floor, enable hidden connection of the filter. Installation accessories, hoses and cables are effectively concealed
Feeding made easy: Feeding flap facilitates distribution of fish food – ideal in conjunction with the FishGuard automatic feeder
High-quality: Base cabinet with handleless doors and an aluminium strip
Practical: Can be equipped with one or two concealed drawers for convenient storage space (from 200 l)
Stable: Adjustable feet for optimal stability
Convenient installation: Tubing for connecting the filter is included in the scope of delivery
Specifics:
Volume in litres: 302Dimensions, aquarium (L x W x H): 115 x 50 x 56
Glass thickness: 10
Dimensions (L x W x H): 115 x 50 x 132
Net weight: 145.50
Guarantee: 2
Optional: Oase BioMaster Thermo 350, External Filter with built-in Heater
- EasyClean pre-filter chamber for extremely simple filter cleaning and top comfort
- Available with or without integrated HeatUp adjustable heater for undisturbed views of the underwater world without visible technology, optimum temperature level, improved safety
- Perfect water quality thanks to the high filter volume consisting of Hel-X and filter sponges
- Included is all the filter media, hoses, adaptor, intake and outflow tube, as well as water diffuser. Suitable for both freshwater and marine aquariums and guaranteed for 3 years.
Original: $2,556.45
-70%$2,556.45
$766.93More Images



Oase Highline 300 Optiwhite Tank & Cabinet
The Oase HighLine 300 is a premium aquarium system combining contemporary design with efficient technology, ideal for freshwater and marine setups. With a 302-litre capacity, it includes a base cabinet in three finishes, complete with handleless doors, concealed drawers and integrated filter tubing. Optional extras such as the BioMaster Thermo 350 external filter provide advanced filtration and temperature control while remaining discreetly hidden from view.
Key Features:
- Hidden technology thanks to the dry shaft and filter intake tubing
- Individually configurable base cabinet with practical drawers
- Outstanding quality and fascinating design
- Lighting not included. See recommended lighting
Chic: Aluminium cover that can be completely opened, aluminium effect strip to cover the gravel and water edge
Effectively concealed: A dry shaft, as well as cut floor, enable hidden connection of the filter. Installation accessories, hoses and cables are effectively concealed
Feeding made easy: Feeding flap facilitates distribution of fish food – ideal in conjunction with the FishGuard automatic feeder
High-quality: Base cabinet with handleless doors and an aluminium strip
Practical: Can be equipped with one or two concealed drawers for convenient storage space (from 200 l)
Stable: Adjustable feet for optimal stability
Convenient installation: Tubing for connecting the filter is included in the scope of delivery
Specifics:
Volume in litres: 302Dimensions, aquarium (L x W x H): 115 x 50 x 56
Glass thickness: 10
Dimensions (L x W x H): 115 x 50 x 132
Net weight: 145.50
Guarantee: 2
Optional: Oase BioMaster Thermo 350, External Filter with built-in Heater
- EasyClean pre-filter chamber for extremely simple filter cleaning and top comfort
- Available with or without integrated HeatUp adjustable heater for undisturbed views of the underwater world without visible technology, optimum temperature level, improved safety
- Perfect water quality thanks to the high filter volume consisting of Hel-X and filter sponges
- Included is all the filter media, hoses, adaptor, intake and outflow tube, as well as water diffuser. Suitable for both freshwater and marine aquariums and guaranteed for 3 years.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Oase HighLine 300 is a premium aquarium system combining contemporary design with efficient technology, ideal for freshwater and marine setups. With a 302-litre capacity, it includes a base cabinet in three finishes, complete with handleless doors, concealed drawers and integrated filter tubing. Optional extras such as the BioMaster Thermo 350 external filter provide advanced filtration and temperature control while remaining discreetly hidden from view.
Key Features:
- Hidden technology thanks to the dry shaft and filter intake tubing
- Individually configurable base cabinet with practical drawers
- Outstanding quality and fascinating design
- Lighting not included. See recommended lighting
Chic: Aluminium cover that can be completely opened, aluminium effect strip to cover the gravel and water edge
Effectively concealed: A dry shaft, as well as cut floor, enable hidden connection of the filter. Installation accessories, hoses and cables are effectively concealed
Feeding made easy: Feeding flap facilitates distribution of fish food – ideal in conjunction with the FishGuard automatic feeder
High-quality: Base cabinet with handleless doors and an aluminium strip
Practical: Can be equipped with one or two concealed drawers for convenient storage space (from 200 l)
Stable: Adjustable feet for optimal stability
Convenient installation: Tubing for connecting the filter is included in the scope of delivery
Specifics:
Volume in litres: 302Dimensions, aquarium (L x W x H): 115 x 50 x 56
Glass thickness: 10
Dimensions (L x W x H): 115 x 50 x 132
Net weight: 145.50
Guarantee: 2
Optional: Oase BioMaster Thermo 350, External Filter with built-in Heater
- EasyClean pre-filter chamber for extremely simple filter cleaning and top comfort
- Available with or without integrated HeatUp adjustable heater for undisturbed views of the underwater world without visible technology, optimum temperature level, improved safety
- Perfect water quality thanks to the high filter volume consisting of Hel-X and filter sponges
- Included is all the filter media, hoses, adaptor, intake and outflow tube, as well as water diffuser. Suitable for both freshwater and marine aquariums and guaranteed for 3 years.



















