初效過濾器適用于空調系統的初級過濾，主要用于過濾5微米以上的塵埃粒子。初效過濾器有板式,鋁框、鍍鋅板框，過濾材料有無紡布、尼龍網、活性碳濾材、金屬孔網等。 0030R003BN/HC 0030R005BN/HC 0030R010BN/HC 0030R020BN/HC 0030R003BN3HC 0030R005BN3HC 0030R010BN3HC 0030R020BN3HC 0030R003BN4HC 0030R005BN4HC 0030R010BN4HC 0030R020BN4HC 0060R003BN/HC 0060R005BN/HC 0060R010BN/HC 0060R020BN/HC 0060R003BN3HC 0060R005BN3HC 0060R010BN3HC 0060R020BN3HC 0060R003BN4HC 0060R005BN4HC 0060R010BN4HC 0060R020BN4HC 0110R003BN/HC 0110R005BN/HC 0110R010BN/HC 0110R020BN/HC 0110R003BN3HC 0110R005BN3HC 0110R010BN3HC 0110R020BN3HC 0110R003BN4HC 0110R005BN4HC 0110R010BN4HC 0110R020BN4HC 0140R003BN/HC 0140R005BN/HC 0140R010BN/HC 0140R003BN3HC 0140R005BN3HC 0140R010BN3HC 0140R020BN3HC 0140R003BN4HC 0140R005BN4HC 0140R010BN4HC 0140R020BN4HC 0160R003BN/HC 0160R005BN/HC 0160R010BN/HC 0160R020BN/HC 0160R003BN3HC 0160R005BN3HC 0160R010BN3HC 0160R020BN3HC 0160R003BN4HC 0160R005BN4HC 0160R010BN4HC 0160R020BN4HC 0240R003BN/HC 0240R005BN/HC 0240R010BN/HC 0240R020BN/HC 0240R003BN3HC 0240R005BN3HC 0240R010BN3HC 0240R020BN3HC 0240R003BN4HC 0240R005BN4HC 0240R010BN4HC 0240R020BN4HC 0330R003BN/HC 0330R005BN/HC 0330R010BN/HC 0330R020BN/HC 0330R003BN3HC 0330R005BN3HC 0330R010BN3HC 0330R020BN3HC 0330R003BN4HC 0330R005BN4HC 0330R010BN4HC 0330R020BN4HC 0660R003BN/HC 0660R005BN/HC 0660R010BN/HC 0660R020BN/HC 0660R003BN3HC 0660R005BN3HC 0660R010BN3HC 0660R020BN3HC 0660R003BN4HC 0660R005BN4HC 0660R010BN4HC 0660R020BN4HC