Wallach Inseminator (TomCat style) insemination catheter is a sterile, single use only polypropylene 3.5 french catheter. It bypasses the cervix and allows greater number of sperm to reach the uterine cavity and subsequently the fallopian tubes. It is enlarged in the proximal area to accommodate the syringe tip; a secure fit prevents leakage. The product has been cleared for human use. It is available in 4.5in length with and without syringe. Also, it is available in 5.5in without syringe. (50 per box; sterile).