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PURA/Hydrotech Replacement Filters, Membranes, O-Rings These Filters Are For All Hydrotech, US Pure Water  & Sierra Springs Systems HTF 101 HT 102 HT 103 F-HTF Don't know which filters you need? Hydrotech has made this really simple. All their replacement filters are color coded. Click Here For Filter Change Instructions. Pre & Post Filters Description Reference Number Part Number Order Here String Wound Sediment Prefilter (Black Caps) S-FS-02 41400008   Quantity: $9.12 Click Here For Discounts On This Hydrotech Filter CTO Carbon Block Prefilter/Postfilter (Blue Caps) S-FS-19 41400009 Quantity: $12.95 Click Here For Discounts On This Hydrotech Filter Lead Removal 1 Micron Carbon Block (Black Caps) S-FS-13 41400010 Quantity: $23.63 Click Here For Discounts On This Hydrotech Filter 5 Micron Coconut Carbon Block (White Caps) S-FS-24 41400011 Quantity: $16.63 Click Here For Discounts On This Hydrotech Filter Hydrotech Sediment/Carbon Prefilter. Used in 12301 Model Series 41400076 Quantity: $16.38 Click Here For Discounts On This Hydrotech Filter Hydrotech Carbon Filter. Used in 12301, 12302, 12303, 12304 Model Series 41400075 This filter is discontinued. Order filter 41400009.   Hydrotech OEM Reverse Osmosis Membranes Description Reference Number Part Number Order Here! 9 GPD CTA Reverse Osmosis Membrane (Blue/Red Band) S-FS-06 41400001 Quantity: $54.50 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 15 Gallon Per Day (GPD) CTA RO Membrane (Blue/Yellow Band) S-FS-08 41400002 Quantity: $61.50 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 9 GPD TFC RO Membrane (Green/Red Band) S-FS-17 41400003 Quantity: $56.25 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 15 GPD TFC RO Membrane (Green/Yellow Band) S-FS-07 41400004 Quantity: $63.25 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 25 GPD TFC RO Membrane (Green/Black Band) S-FS-09 41400005 Quantity: $75.00 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 35 GPD TFC RO Membrane (Green/Purple Band) S-FS-11 41400006 Quantity: $78.25 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane 45 GPD TFC RO Membrane (Green/Orange Band) S-FS-20 41400007 Quantity: $85.50 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane Hydrotech 9 GPD TFC RO Membrane (Yellow/Red Tape) 33001071 Quantity: $59.00 Click Here For Discounts On This Hydrotech Filter Hydrotech 25 GPD TFC Reverse Osmosis Membrane (Yellow/Black Band) 33001068 Quantity: $70.00 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane Hydrotech 50 GPD TFC Reverse Osmosis Membrane (Yellow/White Band) 33001033 Quantity: $75.00 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane Hydrotech 75 GPD TFC Reverse Osmosis Membrane (Yellow/Blue Band) 33001056 Quantity: $80.00 Click Here For Discounts On This Hydrotech Reverse Osmosis RO Membrane Hydrotech Accessories Hydrotech Reverse Osmosis Filter Wrench 21401003 Quantity: $2.95 Hydrotech Filter Sump O-Ring 34201026 Quantity: $1.25 International Ordering Information RETURN POLICY TDS Meter Instructions Service Manuals & Downloads Testimonials Company Info Sales Info Contact Us Links E-GoldTM is 100% backed by gold bullion held in recognized repositories  All transactions are on-line with access requiring account number, passphrase, Turing number, and IP address confirmation. More Secure Than Credit Cards! Create a no-obligation e-gold™ account *The replacement filters and membranes advertised on this site are not manufactured by the companies that manufacture the underlying water treatment equipment unless so noted.  Our use of registered trademarks, such as Culligan®, Kiss®, Premier Manufactured Systems® and others, is only for purposes of identifying compatible replacement filters and membranes, and does not suggest any association, sponsorship or endorsement of our our products by the manufacturers of the underlying equipment. "COMPATIBLE" Legal Disclaimer COPYRIGHT Purewater4u.com is a trademark of Purewater 4U of Las Vegas, Inc. All other products mentioned are registered trademarks or trademarks of their respective companies. Proprietary contents contained herein are the sole property of Purewater4u.com and Purewater 4U of Las Vegas, Inc. and may not be reprinted, reproduced or transmitted in any form without written permission. 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