Interference　filter-stabilized　external　cavity　diode　lasers　(ECDLs)　have　properties　of　simple　configurations,　high　stabilities,　and　narrow　linewidths.　However,　the　interference　filter　used　in　common　ECDL　designs　requires　an　ultra-narrow　bandwidth　(about　0.3　nm)　to　achieve　mode　selection,　that　is　considerably　expensive　and　not　yet　available　for　a　wide　range　of　wavelengths.　In　this　paper,　a　robust　ECDL　using　an　available　broad　bandwidth　(about　4　nm)　interference　filter　as　the　wavelength　discriminator　is　constructed　and　tested.　The　ECDL　demonstrated　a　narrow　Lorentzian　fitted　linewidth　of　95　kHz　and　a　spectral　purity　of　2.9　MHz.　The　long-term　frequency　stability　of　the　ECDL　reaches　5.59　x　10(-12).