DL850 Darlly Sanistream in-line sanitisation replacement filter for RotoSpa Orbis, RotoSpa Oceania and RotoSpa Serenity.


Darlly Europe’s revolutionary SaniStream Direct Line Filtration system is a new and unique technology which combines the world’s finest hot tub filters with a safe, convenient and effective sanitiser dispenser to give an integrated spa water treatment system.


SaniStream is suitable for both domestic hot tubs, and allows compliance with Section 76 of HSG282 regulations for hot tubs installed in holiday lets, homes, lodges, cottages etc.


Please Note: The SaniStream dispenser is not included with the filter and must be purchased separately here.



  • 5cm Hole 
  • Bottom: 5cm Hole
  • Darlly: 60301
  • Length: 27cm
  • Diameter: 15cm
  • Sq Ft: 30



  • Pleatco: PWK30-4
  • Unicel: C-6430



  • HotSpring Spas

DL850 SaniStream Filter - Roto Spas

£29.95 Regular Price
£26.96Sale Price
  • We understand that choosing the right replacement hot tub filter cartridge may seem daunting, so our hot tub experts have put together a simple guide including frequently asked questions in choosing the right filter for your hot tub > click here


    If you still need advice, then please do not hesitate to contact us directly on 0800 112 3886 or alternatively email office@penguinspas.com where we will be more than happy to answer your questions.