This product has been discontinued by the manufacturer. Please contact us for the closest replacement - Safe Disposal of Carbon Filters Air Science zones 1 and 2 (postcodes AL, B, BD, BS, CB,CV, CW, DE, GU, HP, LE, LS, LU, M, MK, NG, NN, OL, OX, RG, RH, SG, SK, SL, SN, ST, TF, WA, WD, WF, WN, WR, WS, WV BR, CR, DA, E, EC, EN, HA, IG, KT, N, NW, RM, SE, SM, SW, TW, UB, W, WC, BA, BB, BH, BL, BN, CF, CH, CM, CO, CT, DH, DL, DN, DT, DY, EX, FY, GL, HD, HG, HR, HU, HX, IP, L, LA, LD, LN, ME, ML, NE, NP, NR, PE, PL, PO1-29, PR, S, SO, SP, SR, SS, SY, TA, TN, TS, YOCA, DG, EH, FK, G, KA, KY, LL, PA1-19, PH1-30, SA, TD, TQ, TR1-20, TR26-27)