VIV Overflow System Non-Drill Glass Overflow Box for Aquarium Sump Setups (Code 820-10)

Upgrade your aquarium filtration without drilling with theVIV Overflow System aself-starting, auto-resettingglass overflow solution. This elegantly engineered system:
Providessilent surface skimming
Automatically restartsafter power outages
Eliminates the need for tank modifications
Perfect forreef tanks & high-bioload freshwater systems

Key Features:

• No-Drill Installation Safely adds sump filtration to any tank

• Fail-Safe Operation:
  Auto-primes after power interruptions
  Continuous operation even with air bubbles
  Prevents back-siphoning

• Premium Glass Construction:
  Crystal-clear borosilicate glass
  Precision-engineered U-tube design
  Stainless steel mounting hardware

• Technical Specifications:
  Article Code: 820-10
  Flow Rate: Adjustable 600-1500L/h
  Compatible Tank Glass Thickness: 6-12mm

Installation Advantages:

• Three-stage safety system:

  1. Primary overflow weir

  2. Emergency backup drain

  3. Anti-airlock design

• Adjustable Flow Control Dial in perfect surface skimming

• Universal Compatibility Works with all sump designs

Maintenance Features:
Tool-free disassemblyfor cleaning
Anti-algae coatingon critical surfaces
Replaceable O-ringsincluded

Why Professionals Choose It:
Never floods Dual-drain failsafe
Whisper-quiet Patented bubble-diffusion tech
Crystal-clear Disappears in aquascapes
Future-proof Upgradeable to full Herbie-style drain

Note:Includes detailed setup manual with troubleshooting guide. Recommended fortanks 40cm+ tall. Pair withVIV Return Pumpfor optimized flow.