Scuba BOOT diving CYLINDER 5, 7, 10, 12, 15, 18 litre TANK bottle dive PCP air
10 litre will fit a 1 0 litre tank or a tall 12 litre tank. 5 litre boot size fits 5 litre tank. 7 litre size will fit a 7 litre tank. 10 litre dumpy will also fit a 12 litre tank. 12 litre boot will fit a 12 litre tank.