Double bottles DIR Style means two diving bottles connected with two stainless steel clamps with a valve combination and a shut-off bridge. Diving bottle bottom round without stand.
 The diving bottles are made of steel, galvanized and have three layers of paint. In the delivery condition, the diving cylinders are O2 clean.
 Variants double bottles DIR Style
 7.0L DIR Style 232Bar, bottle diameter 140mm, wide clamp spacing,
 7.0L DIR Style 232Bar, bottle diameter 140mm, normal clamp spacing,
 8.5L DIR Style 232Bar, bottle diameter 140mm, normal clamp spacing,
 8.5L DIR Style 232Bar, bottle diameter 140mm, normal clamp spacing,
 10 L DIR Style 232Bar, bottle diameter 171mm, normal clamp spacing,
 12 L DIR Style 232Bar, bottle diameter 171mm, normal clamp spacing,
 15 L DIR Style 232Bar, bottle diameter 204mm, normal clamp spacing,
 18 L DIR Style 232Bar, bottle diameter 204mm, normal clamp spacing,
 20 L DIR Style 232Bar, bottle diameter 204mm, normal clamp spacing,