MODEL # A-225-13
1st Stage --- Twist in EZ Change Pre-filter (B-217-13 )
2nd Stage --- Twist in EZ Change Carbon Filter ( B-217-15 )
3rd Stage --- Twist in EZ Change Carbon Filter ( B-217-15 )
4th Stage --- King-Pro 50G RO membrane
5th Stage --- Post in-line Cabon
MODEL # A-225-15
5-Stage Compact RO System (Under-Counter)(NO PUMP) 

MODEL # A-225-14 
1st Stage --- Twist in EZ Change Pre-filter (B-217-13 )
2nd Stage --- Twist in EZ Change Carbon Filter ( B-217-15 )
3rd Stage --- Twist in EZ Change Carbon Filter ( B-217-15 )
4th Stage --- King-Pro 50G RO membrane
5th Stage --- Post in-line Carbon
MODEL # A-225-16 
 5-Stage Compact RO System (Top-Counter) (NO PUMP)

MODEL # A-105
1st Stage --- 10” PP
2nd Stage ---10”UDF
3rd Stage --- 10” CTO
4th Stage --- KINGPRO 50G Membrane
5th Stage --- Post in-line Carbon
3.2G NSF Standard Storage tank
With pump
50/80/100GPD is optional

MODEL # A-106
1st Stage --- 10” PP
2nd Stage ---10”UDF
3rd Stage --- 10” CTO
4th Stage --- KINGPRO 50G Membrane
5th Stage --- Post in-line Carbon
3.2G NSF Standard Storage tank
With pump
50/80/100GPD is optional

MODEL # A-105-1
1st Stage --- 10” PP
2nd Stage ---10”UDF
3rd Stage --- 10” CTO
4th Stage --- KINGPRO 50G Membrane
5th Stage --- Post in-line Carbon
3.2G NSF Standard Storage tank
With pump
50/80/100GPD is optional

MODEL # A-106-3
1st Stage --- 10” PP
2nd Stage ---10”UDF
3rd Stage --- 10” CTO
4th Stage --- KINGPRO 50G Membrane
5th Stage --- Post in-line Carbon
3.2G NSF Standard Storage tank
With pump
50/80/100GPD is optional

MODEL # A-107
1st Stage --- 10” PP
2nd Stage ---10”UDF
3rd Stage --- 10” CTO
4th Stage --- KINGPRO 50G Membrane
5th Stage --- Post in-line Carbon
3.2G NSF Standard Storage tank
With pump
50/80/100GPD is optional