PuROTwist Membranes
| Part # | Description | 1+ | 25+ | 125+ | 250+ | |
| TQ56-15FC | Q TFC 15 GPD ENC MEMBRANE W/ FC | $45.24 | $40.27 | $37.92 | $36.09 | |
| TQ56-36FC | Q TFC 36 GPD ENC MEMBRANE W/ FC | $47.93 | $42.67 | $40.18 | $38.24 | |
| TQ56-36FC/NSF | Q TFC 36 GPD NSF ENC MEMBRANE W/ FC | $47.93 | $42.67 | $40.18 | $38.24 | |
| TQ56-50FC | Q TFC 50 GPD ENC MEMBRANE W/ FC | $52.44 | $46.68 | $43.95 | $41.83 | |
| TQ56-75FC | Q TFC75GPD ENC MEMBRANE W/FC | $58.75 | $52.30 | $49.24 | $46.86 | |
| TQ56-100 | Q TFC100GPD ENC MEMBRANE W/OFC | $55.30 | $49.22 | $46.35 | $44.11 | |
| TQ56-150FC | Q TFC 150 GPD ENC MEMBRANE W/1000 ML FC | $104.70 | $93.21 | $87.76 | $83.52 |