74-451-127. AgeMaster. AgeMaster No. 1, a rubber preservative, penetrates the surface ply of Goodrich neoprene pneumatic de-icers, anti-icers and propeller de-icers to renew the ozone, ultraviolet and weathering protection built in to a new part. AgeMaster's No. 1 is simple to apply, doesn't wash off and helps maintain flexibility and enhance service life. (Quart)