For Hayward Navigator Pool Vac Ultra Pool New AXV417WHP Pool Cleaner Kit
As main picture shows. - "Pool cleaner kit, compatible with Hayward.".
Hayward Pool Vac XL Navigator Pro Cleaner Pod Kit Replacement Part AXV417WHP
New Hayward Pool Vac XL Navigator Pro Cleaner Pod Kit Replacement Part AXV417WHP
Prostar #HWN137 (Hayward AXV050CHW)
I have 25 years in pool industry, hands on service and repairs. Used the Prostar products (successfully) for many years. They are interchangeable with Hayward parts. These lower middle body(s) were removed from new Prostar propulsion kits (I choose open box new for condition, never used).