Comparison : Item # 1S1-5, IFM Sewn End/Radial Pleated Filter Elements
Item # 1S2-5, IFM Sewn End/Radial Pleated Filter Elements
Item # 1S3-5, IFM Sewn End/Radial Pleated Filter Elements
Item # 1S4-5, IFM Sewn End/Radial Pleated Filter Elements
Item # 1S6-5, IFM Sewn End/Radial Pleated Filter Elements