3Pack Replacement for Hydo Logic HL# 31030 — Universal 10inch Polypropylene Sediment Filters (5‑Micron) Keep your Hydro Logic hydroponics and gardening systems running clean and efficient with this 3pack of replacement sediment cartridges. These universal 10inch, 5micron polypropylene filters are designed as direct replacements for Hydo Logic HL# 31030 and are compatible with Hydro Logic hydroponics, gardening systems, and dechlorinators. Key benefits Removes particulate matter down to 5 microns to protect pumps, valves, emitters, and downstream filters. Extends the life and performance of dechlorinators and other treatment components by trapping dirt, rust, sand, and sediment. Threepack provides convenient, costeffective replacement stock so you can maintain system performance without interruption. Universal 10inch design fits standard filter housings for quick, tool cartridge swaps. Main attributes Model compatibility: Replacement for Hydo Logic HL# 31030. Compatible systems: Hydro Logic hydroponics and gardening systems, dechlorinators. Size: Standard 10inch length (universal fit for 10inch housings). Filtration rating: 5micron nominal sediment removal. Material: quality polypropylene for chemical resistance and durable performance. Quantity: 3 cartridges per pack. Performance and functionality Polypropylene depthwound construction captures suspended solids throughout the cartridge, reducing clogging and maintaining flow rate. 5micron rating balances fine particle removal with long service life in typical municipal and well water conditions. Works as a prefilter to protect delicate downstream components such as carbon blocks, RO membranes, electronic dosing equipment, and drip irrigation lines. Use cases and applications 1) Hydroponic growing systems: Install as a prefilter to remove sediment and particulates that can clog emitters and clog channels, keeping nutrient delivery consistent and plants healthy. 2) Garden irrigation and drip systems: Use in dechlorinator or filter housings to protect pumps and solenoid valves and to prevent sediment buildup in drip lines and sprinkler heads. 3) Water treatment maintenance: aging Hydo Logic HL# 31030 cartridges in Hydro Logiccompatible dechlorinators to restore water clarity and protect downstream carbon or specialty media. Simple maintenance Standard 10inch size allows fast replacement during routine maintenance intervals. Keep spare cartridges on hand to minimize downtime and maintain consistent water quality. Compatibility note Designed as a replacement for Hydo Logic HL# 31030 and stated compatible with Hydro Logic hydroponics and gardening systems and dechlorinators. Ensure your system uses a standard 10inch filter housing and 5micron sediment cartridge for proper fit and performance. What you get Three (3) universal 10inch polypropylene sediment filter cartridges, 5micron, replacement for Hydo Logic HL# 31030. this 3pack to maintain reliable filtration, protect your system components, and keep hydroponic and gardening applications running smoothly.