The SoWash Family package, thanks to the included 4 water jet tips and 4 water irrigator tips, is ideal for the entire family! Thanks to its special included filter, it can connect directly to the faucet and requires no batteries or electricity. Due to its characteristics, it"s also suitable for sensitive gums. The SoWash Family package contains: 1 SoWash system; 4 water irrigator tips with pulsating triple jet; 4 single linear water jet tips; 1 metal filter with an external thread; 1 metal filter with an internal thread; 1 small wrench for the filters; 1 "SoWash" carrying case; 1 multilingual manual.