Check the listing for details. 10 Pentair Spa Jet Diffusers Cyclone Micro 2.95"-3.25" Hot Tub. Condition: New. Listed at 74.99 USD. This kit is a Set of 10 Replacement Diffusers for a 2.95" to 3.25" Pentair Cyclone Micro Jet made by Pentair. Note: Jets are NOT Included only Diffuser!! See our video on Youtube called "Jet Diffuser Waterway Mini Storm Pentair Cyclone Micro How To The Spa Guy" for information on how to change the diffuser and how to determine whether you need a Waterway or Pentair Diffuser the jets look a lot alike. I also have the replacement jet in another auction if you have all of the parts from your original jets. This jet fits a lot of brands Cal Spa, Viking, Master Spa, Hawkeye, Infinity, Four Winds, Catalina, Dynasty, Artesian, Hydrospa,La Spa, Spa Crest, Destiny River.956000, 55-110-4299,micr,cyclone,pentair,balboa,bwg,jet,jets,diffuser,diffusers,pop,out,part,parts,cracked,broken, NOTE: Visit our Store as we also offer these in singles and sets of 5.