Guardian AP470 120R GS Plus Eyewash Spray Head Assembly Toilet Partition Parts and Hardware The chute can be mounted The chute can be mounted into any counter top opening that measures 5 3 4 inches in diameter Ceramic Valve• Precise 20° Swing Down Activation• Durable Anti Rotational Deck Mount or Wall Mount Units• Chrome Plated Brass on Exposed Piping and Fittings• Fully Assembled and Factory Tested Eyewash or Eye Face Wash with Hinged DustCovers• Universal Identification Sign and Inspection Tag Included• Halo is Covered by One or More of the Following Patents: 9 Guardian Plastic Heads with Chrome Plated Brass Fittings (4 GS Plus Spray Heads)