Check the listing for details. FILMTEC 100 GPD MEMBRANE REPLACEMENT KIT - CAPILLARY FLOW RESTRICTOR & SILICONE. Condition: New. Listed at 54.99 USD. YOU WILL RECEIVE: One (1) New, Genuine Dow Filmtec 100 GPD RO Membrane (TW30-1812-100HR)One New Capillary Flow Restrictor for 100 GPD MembranesOne Silicone Pouch for Filter O Rings and Grommets Brand New Item With Hologram Label (ensures it is a New and Genuine Filmtec product) Always replace your flow restrictor when you replace your membrane. If your flow restrictor doesn't work, your RO Will Not work.Don't risk damaging your membrane. Always use food grade silicone on the O rings and grommets when replacing your filters. BUYING THIS PACKAGE SAVES YOU MONEY OVER BUYING INDIVIDUALLY!! Get It Fast!! Get a Tracking Number!! For Only $25.00 More, Select USPS Priority Mail at Checkout and Receive Your Item in 2-3 Days and Get a Tracking Number and Up to $50 Insurance Protection.NOTE: USPS does not offer tracking numbers for First Class shipping.WARNING: Domestic USPS packages are not insured unless Priority Mail or Express shipping are purchased. Don’t pay more for less! We ship sooner, faster, and for less than our competitors. We ship immediately. We charge you less than our competitors charge you for slower service. We combine shipping upon request. We will match all verified competitor's prices. We ship internationally. Service makes the difference! NOTE: As a precaution, change your flow restrictor or capillary when you change your membrane. One (1) Genuine Dow FILMTEC TW30-1812-100HR TFC Membrane Element (with hologram label) Reverse Osmosis Membrane Element Filmtec Model #: TW30-1812-100HR This Reverse Osmosis Membrane Fits MOST Reverse Osmosis Drinking Water Systems PRODUCT DETAILS: Filmtec TW30-1812-100HR RO Membrane is a 100 Gallon Per Day Reverse Osmosis Membrane. This TFC 100 GPD Membrane should be changed every 2-5 years depending on water quality and usage. Filmtec home drinking water elements are rated at 50 psi and will purify about 20% more water than competitive elements rated at 60 psi. The TW30-1812-100HR can be used in many Reverse Osmosis Systems that require a 100 GPD membrane. The Dow Filmtec TW30-1812-100HR RO Membrane Specifications: Dimensions: 1.75" x 11.75" Max Operating Temp: 113 F Max Operating Pressure: 300 psig Max Feed Flow Rate: 2 GPM Max Feed Silt Density Index (SDI): 5 Free Chlorine Tolerance: