CO₂金属製逆止弁付きバブルカウンター

CO₂ Bubble Counter + Check Valve – Industrial Grade Dual-Function Unit ✅ Industrial-Grade Metal Construction: Forged from corrosion-resistant brass/stainless steel, ensuring durability and leak-free performance in high-pressure CO₂ systems. ✅ Dual-Function Design: Combines a check valve (prevents water/gas backflow) and a bubble counter (visualizes CO₂ flow rate) in one compact unit. ✅ Crystal-Clear Bubble Chamber: High-visibility acrylic chamber with precision-calibrated scale for accurate bubble counting (1-5 bubbles/sec adjustable), ideal for optimizing aquarium plant growth. ✅ 360° Rotatable Interface: Flexible installation with dual 6mm (1/4″) CGA fittings; fits tubing from 4mm to 8mm, compatible with most CO₂ regulators and diffusers. ✅ Maintenance-Free Operation: Self-cleaning needle valve design resists clogging from algae…