Bottle traps are used as an alternative to P Traps. This trap has a 76mm seal. It is available in a 32mm or 40mm size option.This trap is manufactured by FloPlast, one of the UKandrsquo;s leading suppliers of above and below ground drainage systems. It can be connected to most UK manufacturersandrsquo; push fit and solvent weld waste pipes.To connect the trap, always start at the top with the connection to the waste fitting. If the installation is particularly tight we suggest assembling all connections loosely before finally tightening all nuts once the trap is in position.First you should ensure that the O ring is correctly seated on its lug inside the top trap nut. Push the lug inside the waste fitting and tighten the nut by hand. Do not overtighten as this could damage the O ring. To connect the other end to the waste pipe, unscrew the nut from the trap and remove it along with the washer and the rubber seal. Place these three components over the end of the pipe andndash; first the