Prest-O-Fit 1-0030 Blueline Sewer Seal Secure, leak free connection Elimiantes unwanted odor and drainage Push into any Blueline hose or push on to any Blueline fitting Color: Orange Prest-O-Fit Sewer Seal Creates a secure, air-tight seal with all Blueline hoses and fittings, eliminating unwanted odor and drainage Simply push in to any Blueline Ultimate Sewer Hose or push on to any Blueline fitting