5inch singlestage filter bottle — a durable PET prefilter accessory that prepares water for effective main filtration and fits a range of water purification systems. Key benefits Reliable prefiltration: Captures sediment and visible impurities before the main filter, extending life and improving performance of downstream cartridges. Broad compatibility: Designed for use with various water purification systems as a multifunctional and convenient prefilter accessory. Built to last: Made of PET for safety, wear resistance, and longterm durability, maintaining integrity even under pressure. Compact and efficient: The 5inch singlestage format offers straightforward installation and dependable household water improvement without added complexity. What this product does Acts as a firststage barrier to remove rust, sand, silt and other particulates so your primary filter can focus on finer contaminants. Reduces maintenance frequency and replacement costs for main filtration components by preventing clogging and premature wear. Key specifications and attributes Function: Prefilter / firststage filtration Compatibility: Works with various water purification systems (as a multifunctional and convenient prefilter accessory) Size: 5inch singlestage filter bottle Material: PET — safe, wearresistant, and enduring Performance: Efficient removal of impurities to ensure safer, cleaner household water; durable under pressure Use scenarios Undersink or countertop home systems: Install as the first stage to protect and extend the life of reverse osmosis or carbon filters used for drinking and cooking water. Portable or compact setups: Ideal for small or singlestage purification units in RVs, boats, or temporary installations where a reliable prefilter is needed. Wholehouse pointofentry or auxiliary systems: Use as a prefilter ahead of main cartridges in localized filtration stations to reduce sediment load and maintenance needs. Simple to integrate, reliable in function, and built to withstand regular use, this 5inch singlestage PET filter bottle provides practical prefiltration to keep household water systems running cleaner and longer.