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Similarities and differences between Hytrex, Purtrex and Ro.Save.Z GE Depth Cartridges:

Similarities:

• 100% Polypropolene
• Nominally rated micron
• Depth Cartridges
• Graded Density; The media catches larger particales from the outside and smaller particles as it reaches the core
• No lubricants or anti-static agents
• Front Facial Velocity; The speed that liquid enters the filter and goes to the core.
• Filters from the outside in
• Low Media Migration
• Low pre-flush requirements
• Meet Federal Standard Requirements
• NSF Standard 42 certified
• Consistant in quality
• Thermoplastic
• FDA Compliant

Differences:

• Hytrex contains more media than Purtrex for better efficiency.
• Purtrex has a wider window of acceptability
• RoSave Has a greater void volume to catch more particles