AIO Air Injection Filter Replacement – 1 Cu. Ft. Media for Iron & Sulfur Removal

Specially blended for 10"x 54" AIO (Air Injection Oxidizing) Iron Filter Systems. Designed to effectively reduce iron, manganese, hydrogen sulfide, and sulfur odors, this high-efficiency media ensures long system life, superior water clarity, and reliable performance without chemicals.

Engineered as a catalytic filtration media, it promotes natural oxidation, breaking down iron compounds so they can be easily filtered. With its long life, minimal maintenance, and excellent removal capacity, LiquaGen media is one of the most economical and dependable choices for iron and sulfur removal.

Advantages

• No chemicals needed for regeneration – only simple backwashing

• Extremely high iron & manganese removal efficiency

• Long-lasting, durable material with low attrition loss

• Wide operating temperature and pH range

• Industry’s #1 choice for AIO air injection systems

Physical Properties

• Color: Black

• Bulk Density: 30 lbs/cu. ft.

• Mesh Size: 10 x 40

• Specific Gravity: 2.0 g/cc

• Effective Size: 0.48 mm

• Uniformity Coefficient: 2.7

Operating Conditions

• pH Range: 6.8 – 9.0 (8.0 – 9.0 for manganese removal)

• Max Water Temp: 100°F (38°C)

• Dissolved Oxygen (DO): At least 15% of iron/manganese content

• Bed Depth: 30–36 in. | Freeboard: 50% minimum

• Backwash Rate: 10–12 gpm/sq. ft.

• Service Flow: 3.5–5 gpm/sq. ft. (higher possible in favorable conditions)

• Not suitable if oil, polyphosphates, or hydrogen sulfide are present