Pay close attention to the HS and HQ numbers because they represent the varying shaving heads for the different models. Also the new Skin IQ range use the codes SH What Type Of Philips Razor Spares Does The Company Offer. The razor spares must be cleaned every couple of months to ensure smooth shaving, with replacements to be done every 18 months. Philips Replacement Shaver Spare Parts Buy spares for Philips Shaver Heads, blades parts and chargers Being a large firm, it has a broad selection of electric razors and components, such as: 7000 Series shaver head, 8000 Series shaver head, 3000 Series, Philips Shaver Series 9000 Wet and Dry Electric Shavers with SkinIQ, HQ8, HQ Series shaver head. Particular Philips spares will only fit certain product models, which mean they're not easily interchangeable from model to model. Having your model number will save you from purchasing the incorrect parts.