Construction Club   
  2 meter (114-148MHz) 3 Cavity 200-400 Watt Bandpass filter  
  For  use with wideband  power amps ,to ensure compliance with Ofcom regulations for amateur Radio / TV  
  Image result for panel n connectors
    Below is the parts needed to construct this filter     
    To obtain the parts see Mike 2E0 MEQ at OARC club night , see calendar on OARC  web site     
    http://www.oarc.org.uk/ New cub members welcome.  Club meetings each Thursday