This sale is for one Grounded Glass filter for biological microscope. There are two sizes to choose from 32mm in diameter or 30mm in diameter. Please check what size you need and chose accordingly. The thickness is 1.6mm for 30mm diameter filter and 2mm for  32mm diameter filter.  

Delivery: 

The item will be posted to you by Royal Mail Second Class service the same day your payment is received if possible. Otherwise, it will be posted the next day. Please note that all payment received during weekend will normally be posted the following Monday. International Buyers please see postage details.

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