Single Symbol Book Rx Form Interchangeable/removable probe well for easy

Interchangeable/removable probe well for easy cleaning

valve controlled closed and open oxygen reservoir systems and a longer support strap for user comfort

Large dials control frequency and decibel levels and toggle switches control power

000 definitions for major diseases

Single Symbol Book Rx Form Interchangeable/removable probe well for easy(5" x 5") Patti Pics optotype chart flip book for vision testing. Single presentation book is great for pediatric screenings in the school setting. Designed and utilized for children ages 19 36 months. This 13 page spiral bound Single Symbol Presentation book is great for pediatric and preliterate school screenings. Each page features arranged, recognizable optotypes for easy masking during testing. Single Symbol Presentation book is a key for