Flow Posterior Aiming Ring Door Dams It is compatible with mounting

It is compatible with mounting trays and arms that fit a 2" diameter pole

Make sure your operatory is lighted properly

Every 6-12 months for optimal performance and safety

and 2 connector hinge pins

then remove and wrap a few layers of teflon plumbers tape around the nipple and reinstall

Flow Posterior Aiming Ring Door Dams It is compatible with mountingFlow posterior aiming ring for taking x rays using film. Product Details: For use with the posterior arm (#XH 423) and the purple posterior bite blocks (#XH 411). Autoclavable. Purple colored aiming ring. Sold individually. SHIPPING: Please allow 7 10 business days for handling time.