2-Pack USB-Rechargeable Air Filter for Elegoo AnycubIc Creality Resin 3D printers

There are 2 versions of these Elegoo Air Purifiers below: Rechargeable -> One single charge covers most 3D prints up to 24 hrs long. They will come with battery (built-in) and power cords. USB powered -> the power supply depends on a USB port of a 3D printer (or any 5V USB devices) They serve as air purifier for any indoor environments and they also work with resin printers of any brands Elegoo, Anycubic, Creality, Phrozon across all models Saturn, Mars, Mono etc - just leave them in the printing chamber. *Notes: it is common for this product to look dirty - carbon filter contains powers and they could be shaken during shipping transit. Please refer to Youtube, ALL3DP that Elegoo is a top ranked FDM & SLA 3D printer manufacturer that makes quality products with tons of great reviews and amazing service coverage. Same day pick-up available or fast shipping from Las Vegas Nevada 89103 through USPS/FEDEX. Shipping Weight - 15.9 ozs Open-box Grade A+ -> The item is in like new, never used/assembled condition. It's returned due to buyers' remorse or fulfillment error. It may only show sign of repackaging due to our inspection service (opening the box, taking photos, recording serial #, classifying grades). It's sealed, packaged in the original factory condition with ALL original factory parts/accessories in inspected new or like new condition.  Pre-Owned with Warranty-> backed with 30-day warranty by our store - you will have a FULLY FUNCTIONAL UNIT OR YOU GET FREE REPLACEMENT (parts/units). It was inspected, cleaned, repaired to full working order and is in overall good pre-owned condition. It WILL contain aesthetic signs of wear/teas/scratches (especially on the tank/lid). This item may be repackaged.  --- Manufacturer's Description --- Eliminate Printing Odor: The built-in battery-driven motor pumps air to the activated carbon to absorb and filter the resin odor during the printing. Comes with 4pcs of Carbon Filters: 2pcs are in purifier and 2pcs are packaged individually. The same carbon block is not required for the separately purchased (you can even put in small pieces of activated carbon directly). Widely Applicable to Various Resin Printers: It is compatible with most LCD/DLP/MSLA resin printers on the market, and it is an excellent match for ELEGOO MARS series printers. Worry-free Battery Life: Energy-efficient motor with 2000mah battery can keep working continuously for 24 hours.