ive got 1 symms panel filter for sale its a green sponge two layer panel filter, i dont think its oiled, so shouldnt damage mafs, i brought it but never used so ite like brand new, ive got a apexi kit instead, £20 and its yours p&p £2.50, or if your going to the rolling road tommorrow you can have for £20, priority will be given to people who are going to the rolling road on satuarday!