Airline Cross Piece – 4-Way Aquarium Airline Connector

A simple, practical fitting for splitting and directing airflow in your aquarium aeration setup. The Airline Cross Piece is a 4-way connector that allows you to split a single air line into four separate directions — ideal for connecting multiple airstones, sponge filters, decorations, or accessories from a single air pump in one neat, centralised junction.

Compatible with standard 4mm aquarium airline tubing, this cross piece is a versatile addition to any aeration setup — whether you’re running a single tank or a multi-output system.

Quantity: 1 piece

Key Features

• 4-way airline connector: Splits one airline into four separate outputs — connect multiple airstones, filters, or accessories from one junction
• Compatible with standard aquarium airline tubing: Fits standard 4mm airline tubing
• Compact and easy to install: Push airline tubing onto each port — no tools required
• Aquarium safe: Safe for use in freshwater and marine aquarium setups
• Versatile: Suitable for directing airflow to multiple destinations in a single aeration setup

Suitable For: Freshwater and marine aquariums — standard 4mm aeration setups.