Inclusion Criteria:

- Subject between the ages of 18 and 80

- Subject is indicated for screening colonoscopy

- Subject is willing to sign informed consent form

Exclusion Criteria:

- Subject is suspected, based on radiographic or other clinical grounds, of
suffering from one or more of the following: full or partial colonic obstruction;
acute abdomen; gross hematochezia; severely ulcerated colon; diverticulitis;
severe diverticulosis; toxic megacolon.

- Subject has active cardiac problems and history of heart failure, severe pulmonary
diseases renal failure (creatinine >2) uncontrolled diabetes and any other illness
judged by investigator to substantiate exclusion.

- Subject has a history of significant other diseases.

- Subject has a history of psychiatric disorders which would prevent compliance
with study instructions

- For female subjects, suspicion of pregnancy

- Subject has received treatment with another investigational drug or device
within the past 30 days