SMSKu-E-UV is a plastic push-in sleeve made of modified PVC, in black (RAL 9005), non-flame propagating, UV-stabilized. This push-in sleeve is used to connect the plastic straight pipe FPKu-ES-F-UV black and FFKuS-ES-F-UV and for surface-mounted installations outdoors. The advantage is the UV stability, UV stable for up to 10 years.0605 DIN EN 61386-21