Full set Hollis Regulator DC7 500SE 150XL Octopus

Full set Hollis DC7 regulator including second stage 500SE and 150XL octopus.

Service by Scuba Dive West some time ago but after thet never get wet, new service should be performed before get underwater.

Specs from vendor:

Hollis DC7 500SE Regulator with Maxflex Hose
Designed to Meet Rigorous CE Standard for Coldwater Performance
High Performance Regulator System
30" (76cm) MaxFlex Hose:
Hoses Flexibility Reduces-Jaw Fatigue
Lightweight, Flexible, Braided Hose
Designed to Outperform & Outlive Traditional Rubber Hoses
Bolt Snap Tie Point
First Stage: Hollis DC7
Over-Balanced Diaphragm First Stage
Provides Progressively Greater Intermediate Pressure w/Increased Depth & Gas Density
Dual Diaphragm Design: Completely Seals Internal Components from Environment
Environmental Sealing Prevents Icing
4-Fixed Low-Pressure Ports (LP) with 3/8" Threads
Fixed Hose Routing: Ideal for Back Mount & Side-Mount Configuration
DIN 300 bar (4350 psi) First Stage Regulator
Nitrox Compatible to 40% Out-of-the-Box
Marine Grade Brass w/Black Anodized Finish
Second Stage:Hollis 500SE
Old School, New Tech
Utilizes Pneumatically Balanced Servo Controlled Valve
Precision Airflow & Unparalleled Performance
Hollis Gear Perfected Original "Lever-Servo Valve" Designed 35-Years Ago
Multiple Valve Ports for Ease-of-Breathing
Large Soft-Purge Cover or Easy Clearing Regulator
Patented Orthodontic Mouthpiece for Comfort and Reduced Jaw Fatigue
Easy to Disassemble: w/o Tools, Even Underwater
Left-or-Right Positioning, No Upside Down
Side Exhaust Configuration:
Eliminates Bubbles in Diver's Face
Great for Photography
Hollis 150LX Octopus
Lightweight ABS/Polycarbonate Housing
Chrome-Plated Brass Valve, Stainless Steel Cover Ring & Packing Nut & End Cap
Smooth, Easy Breathing
Adjustable Venturi System (A.V.S.)
AVS: Simple Dive/Pre-Dive Switch Adjust Inhalation Effort
AVS: Prevents Free-Flow During Shore Entries or Long Surface Swims
Patented Silicone Rubber Orthodontic Mouthpiece
Mouthpiece Provides Comfort and Reduced Jaw Fatigue
36" (91 cm) MiFlex 3/8" Threaded Maxflex Hose
Lightweight, Flexible, Braided Hose
Designed to Outperform and Outlive Traditional Rubber Hoses