BONECO Hydro Cell A200， 2 Pack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Uses activated carbon technology to provide constant freshness in BONECO ultrasonic humidifiers </span></li><li><span class="a-list-item"> Activates as soon as it comes into contact with water even if the humidifier is switched off </span></li><li><span class="a-list-item"> To ensure the highest water quality in your humidifier， exchange the Hydro Cell every 1 to 2 months， depending on the water quality </span></li><li><span class="a-list-item"> Uses: All BONECO ultrasonic humidifiers except the 7146 Travel </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41A2U4MyvUL.jpg" noproxy>