Bertolini IDB Series - Page 4

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V. 2.0
IDB 1100 – IDB 1100S – IDB 1250
(Three membranes)
IDB 1400 – IDB 1600 – IDB 1800 – IDB 2000
(Five membranes)
9) IDB1100s – IDB 1400/1600/1800/2000 (if present) 9) IDB1100/1250 – IDB 1400/1600/1800/2000 (if present)