4mm Black Aquarium Airline Tubing – 60m & 90m

Keep your aquarium or pond aeration system running efficiently with this 4mm Black Airline Tubing, a flexible air hose designed for connecting compatible aquarium air pumps, air stones, diffusers and other aeration equipment.

Suitable for freshwater aquariums, tropical fish tanks, garden ponds and koi pond aeration systems, this practical black airline provides a convenient way to deliver air from your pump to your chosen aeration accessories.

The flexible tubing allows straightforward installation around aquarium decorations, filtration equipment and pond features, while its black finish provides a discreet appearance that blends into darker backgrounds and equipment setups.

Available in 60 metre and 90 metre options, supplied in convenient 30 metre lengths to suit different aquarium and pond aeration requirements.

Key Features:

• 4mm Aquarium Airline – Designed for compatible aquarium and pond air pump connections
• Flexible Black Tubing – Easy to position around aquarium equipment and decorations
• Supports Aquarium Aeration – Connects air pumps to suitable air stones and diffusers
• Discreet Black Finish – Blends into darker aquarium backgrounds and pond installations
• Freshwater & Pond Use – Suitable for tropical aquariums, garden ponds and koi pond aeration systems
• Versatile Applications – Ideal for air stones, air curtains, diffusers and compatible air-operated accessories
• Convenient Bulk Lengths – Available in 60m and 90m quantities
• Supplied in 30m Lengths – Practical for multiple air pump connections and aeration setups

Available Variations:

Option 1 – Black Airline 60m

Ideal for aquarium and pond keepers requiring a generous supply of black airline tubing for multiple aeration connections.

• Colour: Black
• Airline Size: 4mm
• Total Length: 60 Metres
• Supplied As: 2 x 30 Metre Lengths

Option 2 – Black Airline 90m

A convenient bulk quantity for larger aquarium installations, multiple fish tanks and pond aeration systems.

• Colour: Black
• Airline Size: 4mm
• Total Length: 90 Metres
• Supplied As: 3 x 30 Metre Lengths

Ideal for Aquarium & Pond Aeration

The 4mm Black Airline Tubing provides a practical connection between compatible air pumps and aeration accessories.

When connected to a suitable air pump and air stone, the tubing helps deliver air into the aquarium or pond, creating bubbles and encouraging water movement.

Effective aeration helps support oxygen exchange at the water surface, making airline tubing an essential accessory for many aquarium and pond setups.

Flexible & Discreet Installation

The flexible construction allows the airline to be routed around aquarium decorations, equipment and pond features.

Its black appearance makes it particularly useful for installations where a more discreet airline connection is preferred.

Suitable for use with compatible airline connectors, control valves, non-return valves and air stones.

Suitable For:

• Tropical freshwater aquariums
• Coldwater fish tanks
• Garden ponds
• Koi pond aeration systems
• Aquarium air pumps
• Air stones and air diffusers
• Air curtains and bubble features
• Multiple aquarium aeration installations

Specifications:

• Product Type: Aquarium & Pond Airline Tubing
• Colour: Black
• Nominal Airline Size: 4mm
• Material: Flexible Plastic Tubing
• Available Total Lengths: 60m & 90m
• Individual Length: 30 Metres
• Application: Aquarium & Pond Air Pump Connections

Pack Contents:

• 60m Option: 2 x 30m Black Airline Tubing
• 90m Option: 3 x 30m Black Airline Tubing

Important Information:

PLEASE SELECT YOUR REQUIRED 60M OR 90M OPTION BEFORE ORDERING.

The airline is supplied in separate 30 metre lengths, not as one continuous 60m or 90m length.

Please check your existing air pump outlet and accessory connection sizes before purchasing to ensure compatibility.

Please Note: This listing is for the black airline tubing only. Air pumps, air stones, connectors, non-return valves and other accessories are not included.

For installations where the air pump is positioned below the aquarium water level, a suitable non-return valve is recommended to help prevent water flowing back towards the pump.

Maintain reliable aquarium and pond aeration connections with this 4mm Black Airline Tubing, available in convenient 60m and 90m bulk quantities.

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We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.