neff ( Hood extractor fan ) Home › Forums › Trade Technical & Spare Parts Forums › Trade Spare Parts › neff ( Hood extractor fan ) This topic has 3 replies, 3 voices, and was last updated 16 years, 2 months ago by rocker. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts February 9, 2010 at 9:49 pm #52373 rockerParticipant This extractor has a 6 inch outlet vent housing built in, but the venting hose is about four & a quarter inches, so need a reducer to use. where can I buy. please John February 9, 2010 at 10:43 pm #311536 RocketManParticipant Re: neff ( Hood extractor fan ) http://www.bes.co.uk (search for”circular reducer”) http://www.screwfix.com/prods/10684/Hea … -125-100mm There are various sizes to suit and tape and sundries you may need… Steve February 9, 2010 at 11:02 pm #311537 rockerParticipant Re: neff ( Hood extractor fan ) Thanks a lot Steve. John February 10, 2010 at 12:24 pm #311538 superfixParticipant Re: neff ( Hood extractor fan ) Don’t reduce it…. it won’t work properly. Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In