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Sterisil® 90 or 365 Day Straw – Distilled & Municipal
The Sterisil® Straw delivers powerful treatment through Silver-Ion technology with simplicity and consistency.
- 20x better efficacy than iodine straws
- Continuous waterline treatment guaranteed for 365 days
- Built-in initial shock treatment
- Clinically proven to kill odor causing bacteria in dental unit waterlines
- Easy to install in any dental bottle
- No oxidizers that may damage handpieces or affect amalgam separators
- Municipal and Distilled formulations ensure optimal performance with a wide spectrum of water quality
* Suggested retail price shown may vary by dealer.
SKU: S365, S365M, S365-VAL4, S365M-VAL4, S90, S90M
Product Description
- EPA-registered to provide ≤ 10 CFU/ml, 50x lower than the current CDC guidelines
- Powerful Silver-Ion technology
Available for all water quality levels:
- Distilled Straw – TDS = 0-100 ppm
- Municipal Straw – TDS = 101-250 ppm
- Distilled Straw + Distilled Water – TDS = >250 ppm
New Everyday Value 4-Pack!
- 4 Straws for the price of 3
Special Offers
Product Manuals & Guides
Warranty
Sterisil Straw WARRANTY AND DISCLAIMER NOTICE: The directions for use of this product are believed to be adequate and must be followed carefully. It is impossible to eliminate all risks inherently associated with the use of this product. Sterisil® warrants the Sterisil® Straw to be free from defects in parts, materials, manufacturing or labor for the product rated period after the device is placed in use by the end user from the date of the purchase. If replacement is warranted, cost will be on a prorated basis. To the extent consistent with applicable law, the products sold to you are furnished “as is” by Sterisil®. The manufacturer and the seller are subject only to the manufacturer’s warranties, if any, which appear on the label of the product sold to you. Except as warranted by this label, Sterisil®, the manufacturer, or the seller makes no warranties, guarantees, or representations of any kind to the buyer or the user, either express or implied, or by usage of trade, statutory or otherwise, with regard to the product sold or use of the product, including, but not limited to, merchantability or fitness for a particular purpose or use, or eligibility of the product for any particular trade usage. To the extent consistent with applicable law, Buyer’s or User’s exclusive remedy, and Sterisil®, the manufacturer’s or the seller’s total liability shall be limited to damages not exceeding the cost of the product. No agent or employee of Sterisil®, or the seller is authorized to amend the terms of this warranty disclaimer or the product’s label or to make a presentation or recommendation different from or inconsistent with the label of this product. To the extent consistent with applicable law, Sterisil®, the manufacturer, or the seller shall not be liable for consequential, special, or indirect damages resulting from the use, handling, application, storage, or disposal of this product or for damages in the nature of penalties, and the buyer and the user waive any right that they may to such damages.
What our customers are saying
Sterisil® 90 or 365 Day Straw – Distilled & Municipal FAQs
What is a Sterisil Straw and how does it work?
The Sterisil Straw is a dental waterline maintenance device that you insert into your dental bottle to ensure water remains ≤ 10 CFU/ml, 50x lower than the current CDC guidelines.
It works by releasing small amounts of silver ions into the water, which kills bacteria and prevents biofilm buildup in the dental waterlines.
Where is the straw installed?
The straw is installed into the dental bottle that connects to your dental chair.
When I use the straw do I still need to use daily tabs?
No, you do not need to use daily tablets when you have a Sterisil Straw installed.
The Sterisil Straw replaces daily tablet treatments by providing continuous water treatment for a full year with just one installation.
This saves time and eliminates the daily task of dropping tablets into bottles, while still maintaining safe water quality for your patients.
How do I shock when the Sterisil Straw is installed?
It’s recommended you shock your dental waterlines periodically, but the process is much simpler.
When shocking your lines with Citrisil Shock tablets, there is no need to remove the Sterisil Straw.
The Sterisil Straw also comes with a built-in initial shock treatment that activates upon installation, turning the water slightly blue to indicate it’s working.
Can I use bleach to shock my lines when using the Sterisil Straw?
No, you should not use bleach with Sterisil Straws.
Bleach is an oxidizing agent that can damage the silver ion technology in the straw and reduce its effectiveness.
Additionally, bleach is not an EPA-approved line cleaner for dental waterlines.
How do I know when it’s time to replace?
Your Sterisil Straw needs replacement at 365 days (or 90 days for the 90-day straw)
It’s recommended that you track the installation date in your Dental Unit Waterline SOP.
How do I dispose of used straws?
Used Sterisil Straws can be disposed of with your regular office waste.
They do not contain hazardous materials that require special disposal methods.
Simply remove the used straw from your dental bottle, discard it in your regular trash, and install a new one.
Does the type of water I use matter?
Yes it does! The Distilled formulation of the Sterisil® Straw V2 must be used with water that has a total dissolved solids. The municipal formulation of the straw must be used with water that has a TDS level between 101-250 ppm. Source water levels of TDS can be measured using a handheld TDS meter. Meters can be purchased through your dealer or other online vendors.
What is TDS?
TDS is an acronym for Total Dissolved Solids and its measurement informs you of the amount of extra “stuff” that you have in your water besides H2O. This may include many things commonly found in water such as minerals like calcium, magnesium, or sodium, all of which could impact the performance of your straw.
Can I run bleach through the Sterisil Straw?
NO! Bleach is not registered with EPA for use in cleaning dental unit waterlines. Additionally, bleach contains an oxidizing agent that compromises the performance of the straw. If you are attempting to shock your lines, Sterisil recommends the use of Citrisil™ Shock Tablets in conjunction with regular use of the Sterisil® Straw.
What do I do if I fail a water test?
Check that your source water TDS falls within the correct range for the type of straw you are using (Distilled: 0-100ppm TDS vs. Municipal: 101-250ppm TDS). Make sure no waterlines are stagnant! Stagnant water causes bacteria to build up which can spread to and contaminate the rest of the dental unit. Shock through the straw with a Citrisil™ Shock tablet according to the Citrisil™ Shock IFU and then continue normal use of the straw. The Organization for Safety, Asepsis and Prevention (OSAP) recommends testing your dental unit waterlines on a quarterly basis to ensure continued compliance.
Contact Sterisil Customer Support if the problem persists: (800) 216-5505
Why is water not flowing out of my straw?
Move the straw to another chair that doesn’t have this symptom. If the water flows as normal, check chair components for blockages. Ensure no other products (except for Citrisil™ Shock) have ever been used in the water flowing through the straw. The Sterisil® Straw is not compatible with oxidizing agents (chlorine, iodine, etc.) If those products have been used through the straw, replace the straw.
What if my luer lock fitting breaks?
No problem, contact Sterisil Customer Support and they will send you a new one.
Why is my straw sputtering?
Ensure the Sterisil® Straw is securely twisted onto the luer lock fitting. If needed, contact Sterisil Customer Support and they can send you a new luer lock.
Why is the bottom of my bottle a dark color?
Sometimes silver leaves residue on the bottom of the bottle when it is used for an extended period of time. Simply clean the bottle with a bottle brush and warm water to remove any particulate that has formed over time, then it will be good as new!
Friendly customer service and sales teams are just a phone call or chat away.
Our Certified Water Specialists provide live, real-time customer support, and our staff education and training make water quality and safety as easy as possible for your entire dental practice.
Customer Support
Toll-free: 1 (800) 216-5505
Hours: 8:30 AM – 7:00 PM (EST)
Sales Associates
Call: (877) 207-1551
Fax: (508) 393-1795

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