Bottom Brush Complete "Heavy Duty Model"

* Special, small stainless brushes for removing those stubborn deposits on the very bottom of dive tanks.

* Each brush screws onto a 3 - foot aluminum rod which fits into a 3/8" electric drill.

* This kit comes with the brush, extender rod and a plastic guide sleeve to augment insertion through tank necks.

*This Heavier, stiffer wire for use on the bottom for flash rust or other hard deposits in STEEL tanks.

* Not recommended for Aluminum models.