1. Dual Aeration and Pre-Filtering: Our device efficiently generates uniform fine bubbles, raising water oxygen for robust aquatic health, plus serves as a built-in pre-filter to trap coarse impurities before they reach your air pump, combining two critical applications in a compact build.

2. Built-In Metal Weight for Stability: Engineered with a metal ball internally so the air stone naturally sinks and stays at the tank bottom, guaranteeing even, uninterrupted bubbling activity with no floating or wobbling.

3. Rugged, Transparent Plastic Material: Uses durable, transparent, food-safe plastic material, ideal for both freshwater and seawater aquariums. The non-leaching, toxin-free plastic is simple to clean for recurring usage.

Specification Sheet:

Material: Transparent food-quality plastic & internal metal ball

Size: Approximately 4.5cm long × 1.2cm in diameter

Connection Size: Fits 4mm/6mm standard air tubing

Key Uses: Water aeration, oxygen boost, pump pre-filtering

For: Saltwater, freshwater, mini tanks, hydroponics

Included: 1 × Aquarium Air Stone