FEP film for 3D printers Phrozen for Elegoo Mars 4/5/5 Ultra — 206×146 mm, pack of 5

FEP film manufactured by Phrozen designed for use as a vat liner in compatible MSLA/LCD resin 3D printers such as the Elegoo Mars 4, Mars 5 and Mars 5 Ultra. Each sheet is 206×146 mm and the pack contains five replacement films. The transparent, non-stick FEP surface provides controlled separation between the cured resin layer and the film, reducing suction forces and helping to minimise print failures during layer lifting. These sheets are intended for routine maintenance and timely replacement of worn or damaged vat film to maintain consistent print quality.

Advantages

The Phrozen FEP film offers a smooth, chemically resistant surface that supports reliable layer release and consistent print adhesion. Its precise dimensions fit the intended vat area for a secure installation, while the transparent material allows clear light transmission for accurate curing. A pack of five replacement films reduces downtime by providing ready spares for regular maintenance and replacement cycles.

Suitable for

• Maintenance and replacement of worn or damaged vat liners on Elegoo Mars 4, Mars 5 and Mars 5 Ultra printers
• Resin printing projects requiring consistent layer separation and reduced print failures
• Workshops and hobbyists who perform frequent resin prints and routine printer upkeep

Key specifications

• Sheet dimensions: 206 × 146 mm
• Material: FEP (fluorinated ethylene propylene) film
• Colour/transparency: Transparent
• Quantity in pack: 5 sheets
• Function: Non-stick vat liner for resin 3D printing

How to use

Before installation, ensure the vat frame and sealing surfaces are clean and free of cured resin or debris. Carefully cut or position the FEP sheet to match the vat frame if required, then secure it according to the printer manufacturer’s procedure, typically by clamping the film between the vat edges and tightening screws evenly to avoid wrinkles. After mounting, check for even tension and verify that light passes through the film without obstruction. Replace the film when surface scratches, clouding or adhesion problems are observed to maintain print reliability.

Usage recommendations

Handle FEP sheets with clean hands or gloves to avoid fingerprints and contamination. Use mild isopropyl alcohol and a lint-free cloth to clean the film surface; avoid sharp tools or excessive stretching. Store spare sheets flat in a dry, dust-free environment and replace the vat film at the first sign of permanent deformation, punctures, or reduced print quality.