Bio Bidet BB-270 Duo Dual Nozzle Hot & Cold Fresh Water Spray Non-Electric Bidet Toilet Seat Attachment, Retractable Posterior & Feminine Wash, Certified Check Valve, Brass Inlet, DIY Easy Install, White ADJUSTABLE BIDET ATTACHMENT universal design provides easy fit for your toilet, DIY installation and NON Electric SELF CLEANING DUAL NOZZLE offers posterior wash for him and feminine wash for her, can be used by the entire family. Maintenance is quick and easy POSITIVE STEPPING PRESSURE CONTROL allows you to easily change the water pressure to create an experience that blends comfort and ease of use. QUALITY DESIGN BRASS VALVE AND INLET offers reliable support, braided metal water supply hose, certified built in check valve WARM WATER PROVIDES ADDED COMFORT, connection to your warm water supply line gives you more options and no electricity is required