At Mainline we stock a range of crystal filters, listed is standard factory types many of which are in stock.

We also stock a range of surplus and obsolete items that sometime become available from time to time at better pricing , we deal with the factory directly and can source or engineer samples very quickly to replace older types.

Prices are very competitive for volume uses, other frequencies are available and special block filters with 6 or more poles on can be made please contact sales for details.