ZHANXUBIO Airtight Mason Jar Lids Built-In Stash Hygrometer Herb Curing monitor fits all Wide Mouth/Regular Mouth Mason Jars humidity lid 2pcs (86mm, Green)

We have been selling our unique temperature and humidity sensing biophotonic jars . Our unique manufacturing processes allow for a great solution for Mason jar users. BPA Free Plastic Curing Monitor Jar Lid (We sell both Celsius and Fahrenheit units) Our Ball mason plastic curing jar lids are designed to replace the metal seal and lid that came with the wide-mouth or 32oz mason jars you already own. Mason jars are a great storage solution for your harvested, keeping them inside with an air-tight seal. Our curing jar lids contain a built-in, air-sealed digital hygrometer to help you measure humidity and temperature, which are vital components that must be monitored in order to achieve a proper cure,finally unleashing the highest potential and potency from your flower. Fits all wide mouth 86mm/regular mouth 70mm mason jars. For better performing glassware please check out the Mypharmjar uv stash glass