• This is a genuine Hayward AquaNaut 250 450 & The Pool Cleaner hose Both cleaners come out of the same stable.
• You should only use a automatic vacuum hose on any Automatic pool cleaner
• This  hose at the female end is 37mm ID , The other end that is the male end is 37mm OD ( They are like this for tight join)

In The Box -.Three white The Pool Cleaner 1Mt. hose