Hanna HI740271 Filter Holder with Luer Lock

Description

The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI740271 Low Range Marine Nitrate Checker.

• Purpose: This filter holder is essential for sample preparation in marine nitrate testing. It securely holds filter discs (like HI740228) and uses a Luer lock connection for attaching syringes during the filtration process, ensuring clear, particle-free samples for accurate low-range nitrate readings.
• Compatibility: Exclusively for the HI781 Marine Nitrate Low Range Checker (0.00 to 5.00 ppm range), popular among reef aquarium hobbyists to monitor nitrate levels precisely without interference from debris.
• Benefits: Easy to install/replace, durable construction, and maintains the checker’s accuracy by enabling proper filtration—critical for saltwater/reef tank testing where excess nitrates can harm corals and fish