When it comes to high-frequency printing environment, you are going to need more than one resin tank or resin vat to save some of your time and have faster resin color switch. ELEGOO Plastic Resin Tank Kit is here to rescue <br><br> It comes with 2 plastic resin tanks which can be used on ELEGOO Mars 3D printers except with lids covered on the top of each resin vat to avoid dust or direct light source when you are not using them.<br><br> <b>Component List:</b><br> Plastic Resin Tank with FEP film pre-installed 2pcs<br> Lid 2pcs<br> <b>Compatibility:</b><br> ELEGOO MARS, Photon, Photon S, Epax X1