ConvaTec Natura 2-Piece Durahesive CONVEX-IT Pre-Cut Skin Barrier – Box of 10
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Description
Description
🔷 Product Overview
The ConvaTec Natura® 2-Piece Durahesive® CONVEX-IT® Pre-Cut Skin Barrier is designed to provide secure ostomy protection for individuals who need convexity and a pre-sized stoma opening.
Featuring Durahesive® skin barrier technology, this barrier is particularly suited for people whose stoma output is mostly liquid. When exposed to liquid output, Durahesive® is designed to swell or “turtleneck” around the stoma, helping create a protective seal and protect the surrounding peristomal skin.
The Natura® two-piece system features a plastic coupling ring that allows a compatible pouch and skin barrier to snap securely together, providing audible confirmation of attachment.
Each barrier has a 45 mm (1¾") flange, flexible tape collar, and pre-cut opening. Supplied in a box of 10.
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🔷 Available Options
| Product Code | Pre-Cut Stoma Opening | Flange |
|---|---|---|
| 413179 | 19 mm (¾") | 45 mm (1¾") |
| 413180 | 22 mm (7/8") | 45 mm (1¾") |
| 413181 | 25 mm (1") | 45 mm (1¾") |
| 413182 | 28 mm (1⅛") | 45 mm (1¾") |
| 413183 | 32 mm (1¼") | 45 mm (1¾") |
| 413184 | 35 mm (1⅜") | 45 mm (1¾") |
Important: The 45 mm (1¾") measurement refers to the Natura coupling/flange size, while the measurements from 19–35 mm refer to the pre-cut stoma openings.
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🔷 Key Features & Benefits
• Natura® two-piece ostomy system
• Durahesive® skin barrier technology
• CONVEX-IT® convex design
• Pre-cut stoma openings for convenient application
• 45 mm (1¾") coupling flange
• Flexible tape collar
• Designed especially for mostly liquid stoma output
• Durahesive® material swells when exposed to liquid output
• Creates a “turtleneck” effect around the stoma
• Helps protect the stoma and surrounding peristomal skin
• Plastic coupling ring provides secure pouch attachment
• Audible snap helps confirm pouch-to-barrier connection
• Multiple pre-cut sizes available
• 10 skin barriers per box
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🔷 Specifications
Brand: ConvaTec
Collection: Natura®
Product: Durahesive® CONVEX-IT® Pre-Cut Skin Barrier
System: 2-Piece Ostomy System
Barrier Type: Convex
Opening: Pre-Cut
Skin Barrier Technology: Durahesive®
Flange / Coupling Size: 45 mm (1¾")
Collar: Flexible Tape Collar
Available Stoma Openings: 19 mm, 22 mm, 25 mm, 28 mm, 32 mm & 35 mm
Quantity: 10 Skin Barriers per Box
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🔷 Durahesive® Skin Barrier Technology
Durahesive® skin barriers are designed particularly for individuals whose stoma output is mostly liquid.
Rather than simply breaking down when exposed to liquid output, the Durahesive® material is designed to swell around the stoma.
This swelling action is commonly referred to as “turtlenecking.” It helps create additional protection around the stoma and assists in protecting the peristomal skin from exposure to output.
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🔷 CONVEX-IT® Convexity
The CONVEX-IT® design provides convexity around the stoma opening.
Convex barriers may be recommended when additional pressure around the stoma is needed to help achieve an appropriate seal, depending on the individual's stoma and abdominal contours.
Because convexity is not appropriate for every stoma, use a convex barrier according to the recommendations of your ostomy nurse or healthcare professional.
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🔷 Pre-Cut Convenience
Each barrier features a pre-cut opening, eliminating the need to manually cut the opening before application when the selected size appropriately matches the stoma.
Available openings include:
• 19 mm (¾")
• 22 mm (7/8")
• 25 mm (1")
• 28 mm (1⅛")
• 32 mm (1¼")
• 35 mm (1⅜")
Accurate stoma measurement is important when selecting a pre-cut barrier.
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🔷 Natura® Two-Piece Coupling System
The Natura® system uses a plastic coupling ring to connect the skin barrier with a compatible Natura® pouch.
The pouch and barrier snap together, providing audible security that helps confirm the two components have been connected.
All of these barrier options feature a 45 mm (1¾") flange, so the selected pouch must have a compatible Natura® 45 mm coupling size.
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🔷 Flexible Tape Collar
The integrated flexible tape collar provides additional support around the skin barrier and helps the system conform to the body during wear.
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🔷 Choosing the Correct Size
There are two separate measurements to consider:
Stoma Opening Size:
Choose the pre-cut opening that appropriately fits your stoma: 19, 22, 25, 28, 32, or 35 mm.
Flange/Coupling Size:
Every option on this listing has a 45 mm (1¾") Natura® coupling flange.
Your pouch must match the 45 mm flange size, while the pre-cut opening should be selected according to your stoma measurement.
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🔷 Ideal For
• Individuals using the Natura® two-piece ostomy system
• Mostly liquid stoma output
• Users who require a convex skin barrier
• Individuals who prefer pre-cut barriers
• Users requiring a 45 mm Natura® coupling system
• Those looking for Durahesive® protection around the stoma
• Individuals requiring additional peristomal skin protection
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🔷 What's Included
• 10 × ConvaTec Natura® Durahesive® CONVEX-IT® Pre-Cut Skin Barriers
Flange: 45 mm (1¾")
Collar: Flexible Tape
Pre-Cut Opening: Based on selected option
Pouch is not included.
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🔷 Important Information
• Measure your stoma carefully before selecting a pre-cut opening.
• The stoma opening size and flange size are different measurements.
• These barriers have a 45 mm (1¾") coupling flange and should be paired with a compatible Natura® pouch of the same coupling size.
• Convex barriers should be selected according to individual stoma and body contours, preferably with guidance from an ostomy nurse or healthcare professional.
• Follow the manufacturer's complete instructions for application, wear, removal, and disposal.
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🔷 Why You'll Love It
✔ Durahesive® skin barrier technology
✔ CONVEX-IT® convex design
✔ Convenient pre-cut openings
✔ Six stoma opening sizes
✔ 45 mm Natura® coupling
✔ Flexible tape collar
✔ Designed for mostly liquid output
✔ Protective “turtlenecking” action
✔ Audible two-piece coupling security
✔ Box of 10
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🔷 Frequently Asked Questions
What pre-cut sizes are available?
Choose from 19 mm, 22 mm, 25 mm, 28 mm, 32 mm, or 35 mm openings.
What size pouch is compatible with these barriers?
All options have a 45 mm (1¾") Natura® coupling flange, so they should be used with a compatible 45 mm Natura® pouch.
What does Durahesive® do?
Durahesive® is designed to swell or “turtleneck” around the stoma when exposed to liquid output, helping protect the stoma and surrounding skin.
Carefully Selected by Our Team
All products are carefully sourced from trusted medical, skincare, and gift brands — chosen with your comfort and well-being in mind.
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Frequently Asked Questions
📦 Ordering
Can I order without creating an account?
Can I order without creating an account?
Yes. You can check out as a guest or create an account for faster reordering.
Can I order by phone or in person?
Can I order by phone or in person?
Absolutely. Visit us in-store or call during business hours — we're happy to help.
🚚 Shipping
Do you offer local delivery?
Do you offer local delivery?
Yes — we offer free prescription delivery within Okotoks, High River, De Winton, and select Calgary areas. For non-prescription orders, we provide free delivery on orders over $149 before tax.
Please note:
- Heavy or oversized items (such as lift chairs or bath safety equipment)
- Hospital beds or items requiring setup
may not qualify for free delivery. Additional charges may apply — please contact us for details and a delivery quote.
How long will it take to receive my order?
How long will it take to receive my order?
Orders are typically processed within 1–2 business days.
Delivery times vary based on location, shipping method, and carrier. You’ll receive tracking information once your order ships.
Do you ship across Canada?
Do you ship across Canada?
Yes, we offer nationwide shipping via Canada Post.
Shipping rates and delivery times vary based on your location, order size, and weight.
Please note that heavy or oversized items — such as power scooters, hospital beds, or lift chairs — may not be eligible for shipping outside Alberta due to exceptionally high freight costs.
If you're interested in purchasing a large item for delivery outside our local area, please contact us for a shipping quote before placing your order.
For full details, please refer to our Shipping & Delivery Policy →
🔁 Returns and Refunds
How do I return a product?
How do I return a product?
Most unopened, unused items in their original packaging can be returned within 30 days of purchase. Some products — including hygiene items, respiratory equipment, electrotherapy devices, custom orders, and fitted medical garments — are final sale due to health and safety regulations.
To start a return, please contact us by phone or email with your original receipt or order number. We will confirm whether the item is eligible and provide return instructions.
For full details, including non-returnable categories and restocking fees, please see our Return & Exchange Policy →
How long does it take to receive my refund?
How long does it take to receive my refund?
Once your return is approved and processed, refunds are typically issued within 3–5 business days to the original method of payment.
Please note that your bank or credit card provider may take additional time to post the refund to your account. If you have any questions, feel free to contact us.
⚠️ Medical Disclaimer
Is this product information medical advice?
Is this product information medical advice?
No. Please consult your healthcare provider before starting any product. Read our full disclaimer →

