SPARES2GO Air Purifier Filter Kit compatible with Philips AC3256/10 AC3259/10 AC4550/10 | DIY at B&Q
Philips Replacement True NanoProtect HEPA Filter FY2422/30 for Air Purifier White & FY2420 / 30 Active carbon filter (for Philips air purifier AC2889, AC2887, AC2882) : Amazon.co.uk: Home & Kitchen