Glass Cages · Acrylic Aquariums
CurrentGlass Cages 21 gal 30x12.5x13 Black Frame Aquarium Dimensions & Specifications
Approx. 21 gal aquarium with a documented footprint of 30 × 12.5 × 13 in.
Specifications
- Capacity
- Approx. 21 gal
- Official capacity
- 21 US gal
- Length
- 30 in
- Width
- 12.5 in
- Height
- 13 in
- Metric dimensions
- 76.2 × 31.8 × 33.0 cm
- Product type
- Configurable acrylic aquarium
- Series
- Acrylic Aquariums
- Material
- Clear acrylic
- Rim style
- Black Frame
- Freshwater
- Yes
- Saltwater
- Yes
- Status
- Current
- Market
- US
Planning estimates
These are geometric estimates based on the listed external dimensions, not manufacturer specifications or usable operating volume.
21.1 galgeometric volume
375.0 in²footprint area
176 lbapprox. water weight
Similar aquariums
Other models in this series
Glass Cages
4 gal 16x8x7 Black Frame
Approx. 4 gal · 16 × 8 × 7 in
Glass Cages6 gal 16x8x10 Black Frame
Approx. 6 gal · 16 × 8 × 10 in
Glass Cages6 gal 20x10x6.5 Black Frame
Approx. 6 gal · 20 × 10 × 6.5 in
Glass Cages8 gal 24x12.5x6.5 Black Frame
Approx. 8 gal · 24 × 12.5 × 6.5 in
Glass Cages11 gal 20x10x13 Black Frame
Approx. 11 gal · 20 × 10 × 13 in
Glass Cages11 gal 30x12.5x6.5 Black Frame
Approx. 11 gal · 30 × 12.5 × 6.5 in
Other aquariums around this capacity
Aqueon
20 High
20 gal · 24.25 × 12.5 × 16.75 in
Aqueon20 Long
20 gal · 30.25 × 12.5 × 12.75 in
WaterboxAIO 20 Cube
20.0 gal · 17.717 × 17.717 × 15.748 in
WaterboxEDEN 20
20.2 gal · 17.717 × 17.717 × 17.717 in
Ultum Nature Systems (UNS)90L
21 gal estimated · 35.43 × 11.81 × 11.81 in
Ultum Nature Systems (UNS)60U
20 gal estimated · 23.62 × 14.17 × 14.17 in
Specifications can change. Send a source-backed correction if this record needs review.