Lacey formvar film stablized with carbon， support film mounted on 200 mesh Cu Gilder Grid， For TEM and SEM， pack of 25<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Exclusive from GloEMT </span></li><li><span class="a-list-item"> 100% Satisfaction Guaranteed </span></li><li><span class="a-list-item"> 200 mesh Cu Gilder grids (diameter. 3.05mm) coated with lacey formvar film and lacey carbon film. </span></li><li><span class="a-list-item"> Holes are unobstructed. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31YVlanWK6L.jpg" noproxy>