Using your Injen NanoWeb Dry Air Filter is easy. Just install it in your vehicle as per the manufacturer's instructions. It doesn't require any oil, so you can skip that step. When it comes to cleaning, a light blast of compressed air will do the trick. Make sure to use a low - pressure setting to avoid damaging the filter. As for maintenance, check the filter regularly, especially if you drive in dusty or dirty conditions. If it looks dirty, give it a clean. Remember, keeping this filter clean will help it perform at its best and protect your engine for a long time.