Universal Microwave Waveguide Cover Mica Sheets Set, High Temperature Heat Insulation Board For Microwave Oven Cavity, 4 Pieces, 4.25 By 3.9 Inches, Shields Oven Walls From Burn Marks, Fits Most Ovens

Universal Microwave Waveguide Mica Sheets 4 Pack
✔️ 4 pcs mica waveguide sheets, 108x99mm, cut to fit most ovens

These mica sheets are a high-temperature insulation solution designed for microwave ovens. They sit inside the cavity, usually on the right wall or upper area, guarding the cavity from heat and burn marks. Great for replacing worn waveguide covers and extending oven life.

✅ 4 pieces per pack, ready for multiple replacements
✅ Size 108mm x 99mm (4.26in x 3.9in), easy to trim
✅ High-temperature mica insulation protects the waveguide area
✅ Not OEM; aftermarket part compatible with many brands

💡 What is a microwave waveguide mica sheet used for and why replace it?

It shields the cavity and waveguide from heat, reducing burn marks and damage.

- It protects cavity walls from heat and burn marks - It acts as high-temperature insulation in the waveguide area - It can be trimmed to fit most oven models for aftermarket replacement - It helps prevent scorching and maintains consistent heating