SCUBAPRO MK25 EVO / S270 Nitrox Regulator System
£669.00 £669.00
The SCUBAPRO MK25 EVO / S270 Nitrox Regulator System is designed for technical diving with air mixes up to 100% oxygen. It combines the high-performance MK25 EVO first stage with the durable S270 second stage for smooth airflow, cold-water resistance, and reliable breathing performance. Built for safety, durability, and demanding nitrox diving conditions.
The SCUBAPRO MK25 EVO / S270 Nitrox Regulator System is designed for technical divers who require a dedicated regulator compatible with air mixes up to 100% oxygen. Built for reliability, safety, and consistent performance, this system combines the proven MK25 EVO first stage with the rugged S270 second stage for demanding nitrox diving applications.
The MK25 EVO first stage delivers exceptional breathing performance with excellent resistance to freezing and highly responsive airflow. Its balanced piston design ensures smooth and instant air delivery across all depths and conditions, making it a trusted choice for technical and cold-water diving.
The S270 second stage features a durable anti-scratch design with a PU green cover specific to the nitrox version. It provides smooth, consistent airflow with user-friendly controls and a compact design optimized for comfort and reliability during extended dives.
MK25 EVO First Stage Features
- Air-balanced flow-through piston design for consistent airflow
- Excellent resistance to freezing for cold-water diving
- Superb inhalation sensitivity with instant air delivery
- Reliable performance across all depths and conditions
- Suitable for nitrox use up to 100% oxygen (oxygen clean compatible)
S270 Second Stage Features
- Air-balanced valve for smooth inhalation effort
- Durable anti-scratch casing with nitrox-specific PU green cover
- Dive/pre-dive switch for airflow control
- Compact exhaust tee reduces exhalation effort
- Effective purge system for easy clearing
- Designed for long-term rugged use in technical diving conditions
Additional Information
- Certified for use with air mixes up to 100% oxygen
- Designed for technical diving, decompression, and demanding environments
- Suitable for all water temperatures and diving conditions
Delivery Information
FREE DELIVERY:
Free delivery on all online orders over £75.00 after any discount in one single purchase to UNITED KINGDOM MAINLAND ONLY. (This excludes Northern Ireland, Northern Scotland and Highlands & Islands.). It also excludes posted gift vouchers of any value. If you want a printed voucher instead of a E-voucher, then the cost to post is £5.95, or select click & collect and pick up the voucher during our opening hours. Orders placed after 2.30pm, will go out the next day.
This offer excludes large items (Kayaks, SUP,canoes, waterski’s) and hazardous products, life rafts, distress flares, electronics.
Free delivery orders in stock have an estimated delivery time of 4-5 days. If some of the items you have ordered, are not in stock this means you might need to wait a little longer.
For orders under £75.00, small parcels are charged at £5.95 2/3 working days or Get it faster delivery at £8.50. Get it faster delivery cannot be guaranteed to outline districts; Northern Ireland, Northern Scotland and Islands.
Get It faster:
Orders received before 1pm Monday to Friday should be dispatched the same day provided we have your items in stock. Orders received after 1pm on Friday and over the weekend, will be dispatched on Monday. Items ordered over a Bank Holiday will be dispatched on the next working day.
Signed For Items:
All orders over the value of £20.00 must be signed for on receipt and cannot be left without a signature. If prior notice is given, items can be left with a neighbour or in a safe place. If you are not at home when the courier delivers, they will leave a card so you can contact them and arrange a convenient delivery time.
Lifejackets and CO2 Canisters:
These can only be sent by courier.
Sale of Knives:
In accordance with the United Kingdom Law (The Offensive Weapons Act 1996), we are unable to sell knives to anyone under 18 years of age.

Regulator Accessories