Replaces Collins® spirometer chart Cat. No. 22037
Gummed strip on back.
Replaces Collins® spirometer chart Cat. No. 22023
Replaces Ohio Medical® Cat. No. 617-0021-300; Med-Science® Cat. No. J4C005; Collins® X-Y Recorder Cat. No. 22047
1 cm square divisions; 10 lines / cm.