what size is the inlet tubing/piping if i was to plumb it up to a power head?

You need to connect the piping to an air pump, not a power head. It fits regular 4/6mm air tubing

How far does the box stick out if hind from back of side of tank?

Depends on the thickness of the rim, mine sticks out 100mm or 4 inches

I have a biorb round tank, would this fit on the outside?

No this is really for a tank that has got a lid. It didn’t fit my tank as mine has a lid. So unless the tank has no lid. Then it won’t fit.

Can this be used as a hospital tank for a siamese fighting fish (beta)?

It uses the same water as your main tank so it would depend on why you are hospitalising your Beta. For injuries it would be ok but not for disease treatment.

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Description

🐠 Elevate your breeding game—space-saving, stress-free, and sleek!

CRYSTAL CLEAR MONITORING - Transparent acrylic walls let you effortlessly observe fry or isolated fish without disturbance.
SPACE SMART EXTERNAL MOUNT - Hangs securely outside your tank, preserving precious aquarium real estate.
GENTLE AIR LIFT CIRCULATION - Uses your tank’s water flow for stable, stress-free conditions—no heater or filter needed.
EFFORTLESS SETUP MAINTENANCE - No tools required; installs in minutes with secure brackets and easy cleaning design.
TRIPLE COMPARTMENT FLEXIBILITY - Customize up to 3 separate zones for breeding, isolation, or acclimatization with included dividers.

The FL Hang on Holding and Breeding Box (L) is a 1.9-litre, clear acrylic breeding tank designed to hang externally on aquariums with at least 5mm glass thickness. Featuring up to three customizable compartments, it uses an air-lift system to circulate tank water, maintaining stable conditions without extra heaters or filters. Its tool-free installation and compact design save tank space while providing a quiet, safe environment ideal for breeding, isolating, or acclimatizing fish.

Specifications

ASIN	B005QRDCP2
Best Sellers Rank	6,349 in Pet Supplies ( See Top 100 in Pet Supplies ) 3 in Breeding Tanks for Fish 315 in Aquarium Accessories
Brand	Fluval
Brand Name	Fluval
Colour	Black Tiger
Country Of Origin	China
Customer Reviews	4.4 out of 5 stars 6,015 Reviews
Global Trade Identification Number	00015561109437
Included Components	Breeding box, air diffuser, air tube
Item Dimensions L x W x H	27.2L x 14.5W x 14.7H centimetres
Item Shape	Rectangular
Item Weight	1.2 Pounds
Item weight	1.2 Pounds
Manufacturer	Rolf C Hagen UK Ltd
Manufacturer Part Number	10943
Material	Plastic
Material Type	Plastic
Model Number	10943
Product Style	Classic
Product dimensions	27.2L x 14.5W x 14.7H centimetres
Set Name	Marina Hang-On Breeding Box
Special Features	Easy to Clean, Easy to Use
Special feature	Easy to Clean, Easy to Use
Specific Uses For Product	Fish Breeding and Quarantine
Tank Volume	1.9 Litres
Tank volume	1.9 Litres
Target Species	Fish
UPC	740023371861 015561109437
Unit Count	1 Stück
Vivarium Type	Fish Breeding Tank

Reviews

K**Y

9.02.2026

G**E

21.09.2025

P**K

16.12.2025

B**H

20.03.2025

E**N

9.03.2026

L**L

15.05.2025

B**Q

7.05.2022

Y**A

28.04.2024

O**I

28.12.2023

O**U

2.02.2025

S**I

20.02.2024

R**O

18.03.2026

E**A

6.11.2025

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£72.83

Duties & taxes included

In stock

Sold byAmazon Isle of ManDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Isle of Man.

Secure transaction

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FL Hang on Holding and Breeding box, L

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