✅ [FEATURES] The asymmetric PES membrane provides high flow rate and high flux, the hydrophilic PVDF membrane provides very low protein binding. ✅ [PARAMETERS] Materials of bottle and lid: polysulfone; Funnel adapter and screw cap: HDPE. Available in 150mL/250mL/500mL/1000mL. Receiver bottle features easy-read graduations, and easy grip sides for improved handling. ✅ [APPLICATIONS] 0.2μm for filtration of cell culture media, buffers and reagents; used in research laboratories ✅ [QUALITY] Conform to ISO 9001:2015 Quality management system. Gamma irradiation at 25-45 kGy. Please contact us if you have any problems or issues. ✅ [BIO-SAFETY] All materials comply with USP Class VI standards. Aqueous extraction contains < 0.25 EU/mL as determined by LAL, USP <85> The asymmetric PES membrane provides high flow rate and high flux, the hydrophilic PVDF membrane provides very low protein binding.