AeroCell

• ATS-SCAT-4-AC-C200
• ATS-SCAT-6-AC-C300
• ATS-SCAT-8-AC-C500
• ATS-SCAT-16-AC-C2400
• ATS-540-AC-N
• ATS-1060-AC-N
• ATS-1530-AC-N
• ATS-NS500-AC-N
• ATS-NS750-AC-N
• ATS-NS1000-AC-N
• ATSNS500-80/20-AC-N
• ATS-NS750-80/20-AC-N
• ATS-NS1000-80/20-AC-N
• ATS-NS500-2-80/20-AC-N
• ATS-NS500-3-80/20-AC-N
• ATS-NS750-2-80/20-AC-N
• Q-ATS-A400-80/20-AC
• Q-ATS-A400-2-80/20-AC
• Q-ATSA400-3-80/20-AC

Approved April 26, 2023 
Approval Document | View >
Installation | View >
Maintenance | View >
Pad Dispersal | View >
Residential Design Guide | View >

E-Z Treat

• #600 | 600 gallons per day
• #750 | 750 gallons per day
• #1200 | 1,200 gallons per day
• Big EZ #3L | 2,426 gallons per day
• Big EZ #4L | 3,273 gallons per day
• Big EZ #5L | 4.119 gallons per day
• Big EZ #6L | 5,000 gallons per day
  All models approved July 08, 2025
  Approval Document | View >

For systems up to 75,000 gpd

AdvanTex AX

• 20N | 600 gallons per day | Reauthorized November 2005
• 15-2N | 800 gallons per day | Reauthorized November 2005
• 20-2N | 1,000 gallons per day | Reauthorized November 2005
• 15-3N | 1,200 gallons per day | Reauthorized November 2005
• 20-3N | 1,500 gallons per day | Reauthorized November 2005
• 20 Mode 1 & Mode 3 | 3,150 gallons per day | Approved July 2009
  Approval Document | View >
• 20-RT MODE 1B & MODE3B | 600 gallons per day | Approved May 2017
  Approval Document | View >
• 20-MODE 1 & AX20 Mode 3, AX20-RT Mode 1 & AX20-RT Mode 3 | AX20 – 3,000 gpd, AX20 – RT 600 gpd | Approved May 2017
  Approval Document | View >
• 25RT | 750 gallons per day | Approved November 2025
  Approval Document | View >
  Installation Manual | View >
  Supplemental Information | View >
• 100 | 24,000 gallons per day | Approved March 2009
  Approval Document | View >

AdvanTex AX-MAX

• 075-14 | 3,750 gallons per day
• 125-21 | 3,751 to 6,250 gallons per day
• 175-28 | 6,251 to 8,750 gallons per day
• 225-35 | 8,751 to 11,250 gallons per day
• 275-42 | 11,251 to 13,750 gallons per day
• 175-28 combined with AX-MAX225-35 | 13,751 to 18,750 gallons per day
• 225-35 combined with AX-MAX275-42 | 18,750 to 24,000 gallons per day
  Models approved March 2018
  Approval Document | View >

AdvanTex AX-Max (flows up to 75,000 gallons per day)

• 025-07 | 1,200 gallons per day
• 050-07 | 2,500 gallons per day
• 050-14 | 2,500 gallons per day
• 075-14 | 3,750 gallons per day
• 100-14 | 5,000 gallons per day
• 100-21 | 5,000 gallons per day
• 125-21 | 6,250 gallons per day
• 150-21 | 7,500 gallons per day
• 150-28 | 7,500 gallons per day
• 175-28 | 8,750 gallons per day
• 200-28 | 10,000 gallons per day
• 200-35 | 10,000 gallons per day
• 225-35 | 11,250 gallons per day
• 250-35 | 12,500 gallons per day
• 250-42 | 12,500 gallons per day
• 275-42 | 13,750 gallons per day
• 300-42 | 15,000 gallons per day
  Models approved April 2026
  Approval Document | View 2026 Approval >
  Installation Manual |  | View AX-Max Manual >
  AdvanTex Design Criteria | View Design Criteria >

Orenco Systems Website | View >

AeroCell

• ATS-4
• ATS-6
• ATS-8
• ATS-16
• ATS540
• ATS-1060
• ATS-1530
  All models approved Mar. 25, 2020
  Approval Document | View >

STAAR

• 0.5 (formerly M400) | 600 gallons per day
• 0.75 (formerly M550) | 800 gallons per day
• 1.0 (formerly M750) | 1,200 gallons per day
• 1.2 (formerly M1200) | 1,750 gallons per day
• 1.5 (formerly M1500) | 2,250 gallons per day
  All models reauthorized November 2005

SeptiTech Website | View >