Ours has Halkey Roberts valves so pre 1995 and was a great raft for a long time. We just replaced it this year, but it still holds air and we plan on giving it to the kids. Replaced it mostly because our kids got bigger we needed a bigger raft.
If you lean over to watch the river slipping slowly away beneath you, you will suddenly know everything there is to be known. Winnie the Pooh