REVIEW: HASTUR V2S RDA BF BY CTHULHU posted by Syssy Kat Date:Sunday, 27 November 2016 In : Vapelier's tests, Magazines / Reviews Leave comments HASTUR V2S RDA BF BY CTHULHU The Hastur V2S is a small dripper that offers the opportunity to mount on a Box Bottom feeder. (See the full review….)