𝗨𝗽𝗴𝗿𝗮𝗱𝗲𝗱 𝗔𝗻𝘁𝗶-𝗯𝗮𝗰𝗸𝗳𝗹𝗼𝘄 𝗗𝗲𝘀𝗶𝗴𝗻: Unlike other common enema showers without check valves, this upgradedanal douche kit contains integrated one-way check valves, which can effectively prevent dirty water backflow to maintain water...