Long lifetime: The ducer discs with premium material, anti-aging, anti-corrosion, can last a long time up to 5000hrs. Compatable with: the replacement discs diameter is 20mm, as the dimplex optimyst spares parts, it fit for dimplex electric heater. Application: If your optimyst fire lack of mist or stop mist, the ducer disc may help to solve the problem. Replacement ducers disc for Dimplex optimyst fire If your Opti-Myst fire had stopped misting, it possible problem as the ducer. Try to replace the ducer disc, it may help your electric fire smoke effect come back. Replacement ducer disk Great replacement part for dimplex smoke effect fire.<br><br>Colour: silver Material: metal<br><br>Package Contents: 6 * ducer disks 1 * Replacement cap tool<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.