Clean Stream Silicone Comfort Nozzle Attachment. With the Clean Stream Silicone Comfort Nozzle, you can add length and flexible comfort to your cleansing routine. This pure silicone nozzle attaches directly to your Clean Stream metal shower system or any of our Clean Stream bag systems. With added length, flexibility, and soft, supple silicone material, your cleansing sessions will be much more enjoyable. Measurements 10 inches overall length, 9.38 inches insertable length, 0.77 inch diameter. Materials Silicone, ABS. Color Black.