Multi-tiered sewer fitting simply press-fits into sewer outlets for a fast and easy set-up. Two piece design allows hose to remain attached for easy storage. 3/4" threaded connector for 2nd grey-water tank. Threaded adapter simply press-fits onto EZ Coupler 90 degree Sewer Fitting for parks that require a threaded connection. Bottom half replacement for 90 degree universl adapeter.