Comparison : Item # 50750-708, WR284 (R32) Waveguide Window
Item # 50750-707, WR284 (R32) Waveguide Window
Item # 67093-000, WR340 (R26) Waveguide Window
Item # 67093-702, WR340 (R26) Waveguide Window
Item # 82900-702, WR340 (R26) Waveguide Window