

Our models typically wear US Size 2-4 or Australian Size 6-8, X-Small, Small, or One-Size garments.
On each product page, we provide the model's measurements and what size she is wearing to help guide you.
You can refer to the charts when selecting sizes but please note that sizes cannot be guaranteed and might vary slightly between brands.
If you need any advice about sizing, please feel free to drop us a line at: service@sunnoss.com
The measurements in the description of individual products are taken only across the front side of the garment, not around the circumference (e.g. chest and waist).
If you can't find a completely satisfactory size in our size chart, don't worry! Feel free to contact us anytime at service@irispetal.com or through our online customer service. Our team is more than happy to provide personalized advice, recommend alternative styles, or assist with customization needs. Your comfort is our top priority!
Free Shipping on Orders Over $50 !
Fast, free shipping—style delivered with ease !
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Enjoy an extremely long return period during the event !
Our 24/7 customer care team is here to deliver thoughtful support !
Ensure proper installation and removal of cannula barb filters with the Zen-O® and Zen-O Lite™ Cannula Barb Wrench (RS-00544). This genuine service tool is specifically designed to fit the cannula barb connection, allowing for secure tightening and easy removal without damaging the oxygen outlet.
The cannula barb wrench provides the correct fit and leverage needed to safely service the cannula barb and filter assembly. Using the proper tool helps prevent cross-threading, over-tightening, and damage to your oxygen concentrator.
Genuine Zen-O® service accessory
Part Number: RS-00544
Designed for a precise fit on cannula barb connections
Helps ensure proper torque and secure installation
Reduces risk of damage to oxygen outlet components
Durable construction for repeated use
Simple, tool-free operation beyond the wrench itself
✔ Zen-O® Portable Oxygen Concentrator
✔ Zen-O Lite™ Portable Oxygen Concentrator
(Not compatible with other oxygen concentrator models)
(1) Zen-O® / Zen-O Lite™ Cannula Barb Wrench – RS-00544
The right tool for the job.
Use the cannula barb wrench to service filters safely and correctly while protecting your Zen-O® or Zen-O Lite™ oxygen concentrator.

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