2 meters of aquarium air hose/line/tube. It is high quality soft silicone and is the standard air line used in most aquariums. It has a diameter of  4mm (inner) and 6mm(outer).

(WHAT YOU SEE IN THE PICTURE IS EXACTLY WHAT YOU RECEIVE, NO SUBSTITUTION)

Great stuff, I use these on all my own tanks.
plus fittings
1 x Air Tap
1 x Air Check Valve
1 x Air Stone

NOT THE CHEAP N NASTY OFFERED BY OTHER SELLERS.
YOU WILL NOTICE THE SOFT CHEAP PLASTIC ACCESSORIES ARE USUALLY A LIGHT GREEN COLOR, THESE WILL BREAK WHEN USED.

PLEASE NOTE POSTAGE & HANDLING COSTS PRIOR TO BIDDING. $3.00 & $2.20 for each additional pack. THANK YOU.

FEEL FREE TO CALL WITH ANY QUESTIONS.
Phone 0410 404273
Brian