Cylinders are manufactured to DOT 3E and DOT E-10776 specifications, (90 cu. in. volume max.).ย Certain refillable cylinders also available in stainless steel.
All PSI Plus cylinders meet requirements for filling and transporting Flammable (Division 2.1) and Non-Flammable (DivisIon 2.2) gases listed in 49CFR part 173 authorized in US DOT specification cylinders.