Enhance your Levoit Core 300 / Core 300S air purifier with this custom-designed activated carbon insert.This part is placed inside the official Levoit filter cartridge and can be filled with activated carbon pellets to improve odor and VOC absorption.It is not a replacement filter, but a supplementary module that works together with the original HEPA filter. Adding this extra layer slightly reduces airflow, but results in cleaner, fresher air.

Key FeaturesCompatible with Levoit Core 300 & Core 300SDesigned for activated carbon pellets (easy to find in hardware or aquarium shops)3D printable at home – file format OBJTested in FDM printing (Anycubic S1, 0.26 layer height)Easy to refill and maintain

Important NoteThis is my original design. Files are provided only for personal use. Redistribution, resale, or uploading to other marketplaces is strictly prohibited.

Technical SpecificationsFormat: OBJTechnology: FDM (tested) – resin possible, CNC not recommendedPrinter used: Anycubic Kobra S1 ComboLayer height: 0.26 mm (tested) – finer possibleNozzle: 0.4 mmMaterials: PLA (recommended), PETG, ABSInfill: 20–25% (grid or gyroid)Supports: Not required (depending on orientation)Wall thickness: ≥2 mmEstimated print time: ~5–6 hoursSize: Designed to fit inside the Levoit Core 300 / 300S original filter cartridge

Assembly InstructionsPrint all parts with your preferred FDM settings.Clean printed surfaces and check tolerances.Fill with activated carbon pellets.Insert the module inside the official Levoit filter.Reinstall the filter into the purifier and start using.Optional: you can create and share interactive assembly guides using Cadasio for clearer step-by-step visuals.

Safety & Usage

Not food-safe – do not use with food or drink.Not a toy – contains small parts, keep away from children/pets.Non-critical accessory – DIY upgrade for air purifiers, does not replace official HEPA safety standards.Use only clean carbon pellets for air/water filtration.

Package IncludesOBJ files of the insert design