[PERFECT COMPATIBILITY] The hose ball bearing swivel Replacement, exactly fits for Polaris pool cleaner 180, 280, 380, 480, 3900, replaces part number: D20, D-20 (NOTE: NOT FIT for Polaris 360 POOL CLEANER) [D15 FEED HOSE NUT]compatible for Polaris / Zodiac 180, 280, 380, 480 PRO, 3900 Sport, 280 TankTrax, Vac-Sweep 280, Vac-Sweep 380. Pool Cleaner Feed Hose Nut: The pool hose nut is designed to securely hold for Polaris feed hose onto the hose swivel. [FIXES SYMPTOMS] 1) The swivel worn-out. 2) Joints sections become to leak. 3) The Hose getting stiff and not swivel freely. Colour:white Material:plastic Package Contents: 3 * D20 Hose Swivel 6 * D15 Feed Hose Nut Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.