Found it here in ebay Germany and bought one. Thanks for hint, cool product!
Any gross amounts of oil or debris, i gently wash the hoses in parts washer. then i use a towel to squeeze dry the fabric. i then gently use compressed air, but very carefully low pressure, as direct high pressure can disrupt and even tear the fabric. (appears you may already have some of the webbed fabric degrading.) then i use aerosol brake cleaner for final clean of the lines, again squeeze dry with a towel, followed by gentle low pressure air dry. then i mask off all the metal and spray on the rubberized coating in 3, 4 or 5 light coats. since your lines are sun bleached, they will probably soak up a fair amount of the aerosol rubber coating. (after the fabric is dry, before i mask off the ferrules, i always wear latex disposable gloves so any oils, etc from my hands don't contaminate my clean parts, that way the rubberized aerosol will have best possible clean surface.)
the plastic sub fender, just push one side into center of frame at the same time sliding the sub fender downward a little bit. should come right out.
i've been happy with the Yamiya sub fenders. i have not seen the Vic World sub fenders that JT Marks sells, i'm sure they are good.