AP Diving
Back Mounted Counterlungs
Back Mounted Counterlungs
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The AP Back Mounted Counterlungs transform your rebreather's profile by moving the breathing volume behind you — clearing your chest area and delivering a streamlined, drag-reducing configuration. Available as an upgrade for existing AP rebreathers or as a factory option on new units.
Key Features
- Clutter-free chest area with significantly reduced drag profile
- Excellent work-of-breathing performance in all typical diving positions
- Integral shoulder strap and harness design locks the counterlung in the optimum position
- More chest space available for clipping on and retrieving accessories
- Easy to trim for a horizontal attitude in the water
- CE Approved
| Compatibility | All AP Diving rebreathers (Inspiration, Evolution, etc.) |
| Counterlung Sizes | 2 sizes available |
| Harness Sizes | 5 sizes — Small to XXL |
Important: The BMCL system consists of multiple components (counterlung, harness, hoses, and fittings). We recommend discussing your specific unit and configuration with us before ordering to ensure proper fit.
Ready to make the switch? Contact Silent Diving — your authorized AP Diving distributor in the Americas.

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Back Mounted Counterlungs
AP Diving
Description
The AP Back Mounted Counterlungs transform your rebreather's profile by moving the breathing volume behind you — clearing your chest area and delivering a streamlined, drag-reducing configuration. Available as an upgrade for existing AP rebreathers or as a factory option on new units.
Key Features
- Clutter-free chest area with significantly reduced drag profile
- Excellent work-of-breathing performance in all typical diving positions
- Integral shoulder strap and harness design locks the counterlung in the optimum position
- More chest space available for clipping on and retrieving accessories
- Easy to trim for a horizontal attitude in the water
- CE Approved
| Compatibility | All AP Diving rebreathers (Inspiration, Evolution, etc.) |
| Counterlung Sizes | 2 sizes available |
| Harness Sizes | 5 sizes — Small to XXL |
Important: The BMCL system consists of multiple components (counterlung, harness, hoses, and fittings). We recommend discussing your specific unit and configuration with us before ordering to ensure proper fit.
Ready to make the switch? Contact Silent Diving — your authorized AP Diving distributor in the Americas.

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As the exclusive distributor of AP Diving products in Americas', we look forward to serving you. We're happy to hear from you whether you have a product question, a sales question, a distribution question, a maintenance question, or a general inquiry. How can we help you today?
Get In TouchUnited States Office
10380 SW Village Center Drive
Suite 366
Port Saint Lucie, FL 34987
Canada Office
1296 Brockmount Place
Brockville, Ontario K6V 5Z7
Copyright ©2020 | All Rights Reserved
Subscribe To "In The Loop"
United States Office
10380 SW Village Center Drive
Suite 366
Port Saint Lucie, FL 34987
Canada Office
1296 Brockmount Place
Brockville, Ontario K6V 5Z7
Copyright ©2020 | All Rights Reserved
Subscribe To "In The Loop"

