Check the listing for details. NOS RADIOMARINE Receiver Line Filter Unit RM-8. Condition: Open box. Listed at 89.95 USD. Item For Sale: One (ea) RADIOMARINE RM-8 Line Filter Unit which came out of marine storage facility. Unit is NOS and I was the first one to open it. Great if you are displaying Radiomarine (RMCA) gear. I have two of these to sell. If you are beginning a Radiomarine collection, be aware that authentic period "accessories" are almost impossible to find. You may not think much of this piece if you are new to the field but it is the type of addition that can raise a display up a notch if not two. Also, please see in a sister auction/sale a pair of 4U console lamp assemblies. These are essentially "unobtanium". Outside of my ads, I challenge anyone to find another source. Good luck hunting ! Condition: NOS but VINTAGE. You should check the caps before applying power. Shipping: Shipped quickly.