https://www.fyendoscopy.com/products/fujinon-film-ec-590zp-colonoscope.html Pediatric Scope for Colonoscopy FUJINON EC-590ZP Gastroscope with 11.8mm insertion tube and 1330mm working length. It is a magnifying endoscope for the lower digestive tract,has the characteristics of good instability and high observation performance, reduces the patient's burden during colon examination by improving the instability of colon insertion.