Tygon S3™ E-3603 phthalate-free vacuum tubing will withstand full vacuum at room temperature (29.9in [760mm] Hg at 73°F [23°C] and up to 27in [686mm] Hg at 140°F [60°C]). Like standard Tygon® laboratory tubing, S3™ E-3603 vacuum tubing resists most inorganic chemicals and can be used in corrosive atmospheres. Material complies with FDA NSF 3-A and meets USP class VI.