Public spaces Touchless accessories 303 Public Automatic paper dispenser with sensor. 300 225 400 General technical data Wall-mounted. Automatic paper • Installation: Wall-hung dispenser with sensor. Powered • Material: Stainless steel AISI 304 by four 1.5 V LR20 (D) batteries. AISI 304 stainless steel. • Paper roll size: Ø 21 cm Ref. A818017001 • Paper type: Perforated • Paper length: 20-30-40 cm (adjustable) Public Automatic paper dispenser with sensor. 305 227 400 General technical data Wall-mounted automatic paper • Installation: Wall-hung dispenser with sensor. • Material: ABS Powered by four 1.5V LR20 (D) batteries. ABS. • Paper roll size: Ø 21 cm Ref. A818018009 • Paper type: Perforated • Paper length: 24-30-38 cm (adjustable) Dimensions in mm.