Do you have a question about the 3M Avagard and is the answer not in the manual?
Locate the release button at the base of the dispenser unit to begin the refill process.
Press the release button and gently pull down the front of the unit without dropping the door.
Lift out the empty bottle with the collar attached and dispose of it thoughtfully.
Hold new bottle, place thumb in cap indentation, remove collar from tip.
Place the new product bottle correctly into the dispenser.
Gently push the bottle back into the dispenser until it clicks securely into place.