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Kasco Robust Aire Diffusers

Kasco Marine Robust-Aire Bottom Aeration Systems

Dramatically improves pond environment
Reduces algae growth and keeps pond clean
Eliminates winterkill in fish populations and keeps boat docks safe


Model Pond Size Diffusers Amps-120v/240v tube length
RA1 1.5 1 2.5/1.2 100"
RA2 3 2 2.5/1.2 200"
RA3 4.5 3 3/5/1.6 300"
RA4 8 4 5.1/2.6 400
RA5 10 5 6.2/2.9 500"
RA6 11 6 7/3.5 600"
Pond Size is measured in Surface Acres
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Kasco Aeration Robust-Aire Aquatic Aeration System RA1 Kasco Aeration Robust-Aire Aquatic Aeration System RA1

Includes Base Mount
1.5 Surface Acres
120 Volts
1 Diffuser
100' Tube Length

List Price: $2,265.88
Our Price: $1,926.00
Savings: $339.88
Kasco Aeration Robust-Aire Aquatic Aeration System RAH1 Kasco Aeration Robust-Aire Aquatic Aeration System RAH1

Includes Base Mount
1.5 Surface Acres
240 Volts
1 Diffuser
100' Tube Length

List Price: $2,265.88
Our Price: $1,926.00
Savings: $339.88
Kasco Aeration Robust-Aire Aquatic Aeration System RA1PM Kasco Aeration Robust-Aire Aquatic Aeration System RA1PM

Includes Post Mount
1.5 Surface Acres
120 Volts
1 Diffuser
100' Tube Length

List Price: $1,643.53
Our Price: $1,397.00
Savings: $246.53
Kasco Aeration Robust-Aire Aquatic Aeration System RAH1PM Kasco Aeration Robust-Aire Aquatic Aeration System RAH1PM

Includes Post Mount
1.5 Surface Acres
240 Volts
1 Diffuser
100' Tube Length

List Price: $1,643.53
Our Price: $1,397.00
Savings: $246.53
Kasco Aeration Robust-Aire Aquatic Aeration System RA1NC Kasco Aeration Robust-Aire Aquatic Aeration System RA1NC

No Cabinet
1.5 Surface Acres
120 Volts
1 Diffuser
100' Tube Length

List Price: $1,174.12
Our Price: $998.00
Savings: $176.12
Kasco Aeration Robust-Aire Aquatic Aeration System RAH1NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH1NC

No Cabinet
1.5 Surface Acres
240 Volts
1 Diffuser
100' Tube Length

List Price: $1,174.12
Our Price: $998.00
Savings: $176.12
Kasco Aeration Robust-Aire Aquatic Aeration System RA2 Kasco Aeration Robust-Aire Aquatic Aeration System RA2

Includes Base Mount
3 Surface Acres
120 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $2,827.06
Our Price: $2,403.00
Savings: $424.06
Kasco Aeration Robust-Aire Aquatic Aeration System RAH2 Kasco Aeration Robust-Aire Aquatic Aeration System RAH2

Includes Base Mount
3 Surface Acres
240 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $2,827.06
Our Price: $2,403.00
Savings: $424.06
Kasco Aeration Robust-Aire Aquatic Aeration System RA2PM Kasco Aeration Robust-Aire Aquatic Aeration System RA2PM

Includes Post Mount
3 Surface Acres
120 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $2,215.29
Our Price: $1,883.00
Savings: $332.29
Kasco Aeration Robust-Aire Aquatic Aeration System RAH2PM Kasco Aeration Robust-Aire Aquatic Aeration System RAH2PM

Includes Post Mount
3 Surface Acres
240 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $2,215.29
Our Price: $1,883.00
Savings: $332.29
Kasco Aeration Robust-Aire Aquatic Aeration System RA2NC Kasco Aeration Robust-Aire Aquatic Aeration System RA2NC

No Cabinet
3 Surface Acres
120 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $1,735.29
Our Price: $1,475.00
Savings: $260.29
Kasco Aeration Robust-Aire Aquatic Aeration System RAH2NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH2NC

No Cabinet
3 Surface Acres
240 Volts
2 Diffusers
2 - 100' Tube Lengths

List Price: $1,735.29
Our Price: $1,475.00
Savings: $260.29
Kasco Aeration Robust-Aire Aquatic Aeration System RA3 Kasco Aeration Robust-Aire Aquatic Aeration System RA3

Includes Base Mount
4.5 Surface Acres
120 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $3,441.18
Our Price: $2,925.00
Savings: $516.18
Kasco Aeration Robust-Aire Aquatic Aeration System RAH3 Kasco Aeration Robust-Aire Aquatic Aeration System RAH3

Includes Base Mount
4.5 Surface Acres
240 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $3,441.18
Our Price: $2,925.00
Savings: $516.18
Kasco Aeration Robust-Aire Aquatic Aeration System RA3PM Kasco Aeration Robust-Aire Aquatic Aeration System RA3PM

Includes Post Mount
4.5 Surface Acres
120 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $2,848.24
Our Price: $2,421.00
Savings: $427.24
Kasco Aeration Robust-Aire Aquatic Aeration System RAH3PM Kasco Aeration Robust-Aire Aquatic Aeration System RAH3PM

Includes Post Mount
4.5 Surface Acres
240 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $2,848.24
Our Price: $2,421.00
Savings: $427.24
Kasco Aeration Robust-Aire Aquatic Aeration System RA3NC Kasco Aeration Robust-Aire Aquatic Aeration System RA3NC

No Cabinet
4.5 Surface Acres
120 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $2,363.53
Our Price: $2,009.00
Savings: $354.53
Kasco Aeration Robust-Aire Aquatic Aeration System RAH3NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH3NC

No Cabinet
4.5 Surface Acres
240 Volts
3 Diffusers
3 - 100' Tube Lengths

List Price: $2,363.53
Our Price: $2,009.00
Savings: $354.53
Kasco Aeration Robust-Aire Aquatic Aeration System RA4 Kasco Aeration Robust-Aire Aquatic Aeration System RA4

Includes Base Mount
8 Surface Acres
120 Volts
4 Diffusers
4 - 100' Tube Lengths

List Price: $4,555.29
Our Price: $3,872.00
Savings: $683.29
Kasco Aeration Robust-Aire Aquatic Aeration System RAH4 Kasco Aeration Robust-Aire Aquatic Aeration System RAH4

Includes Base Mount
8 Surface Acres
240 Volts
4 Diffusers
4 - 100' Tube Lengths

List Price: $4,555.29
Our Price: $3,872.00
Savings: $683.29
Kasco Aeration Robust-Aire Aquatic Aeration System RA4NC Kasco Aeration Robust-Aire Aquatic Aeration System RA4NC

No Cabinet
8 Surface Acres
120 Volts
4 Diffusers
4 - 100' Tube Lengths

List Price: $3,465.88
Our Price: $2,946.00
Savings: $519.88
Kasco Aeration Robust-Aire Aquatic Aeration System RAH4NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH4NC

No Cabinet
8 Surface Acres
240 Volts
4 Diffusers
4 - 100' Tube Lengths

List Price: $3,465.88
Our Price: $2,946.00
Savings: $519.88
Kasco Aeration Robust-Aire Aquatic Aeration System RA5 Kasco Aeration Robust-Aire Aquatic Aeration System RA5

Includes Base Mount
10 Surface Acres
120 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $5,169.41
Our Price: $4,394.00
Savings: $775.41
Kasco Aeration Robust-Aire Aquatic Aeration System RAH5 Kasco Aeration Robust-Aire Aquatic Aeration System RAH5

Includes Base Mount
10 Surface Acres
240 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $5,169.41
Our Price: $4,394.00
Savings: $775.41
Kasco Aeration Robust-Aire Aquatic Aeration System RA5NC Kasco Aeration Robust-Aire Aquatic Aeration System RA5NC

No Cabinet
10 Surface Acres
120 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $4,094.12
Our Price: $3,480.00
Savings: $614.12
Kasco Aeration Robust-Aire Aquatic Aeration System RAH5NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH5NC

No Cabinet
10 Surface Acres
240 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $4,094.12
Our Price: $3,480.00
Savings: $614.12
Kasco Aeration Robust-Aire Aquatic Aeration System RA6NC Kasco Aeration Robust-Aire Aquatic Aeration System RA6NC

No Cabinet
10 Surface Acres
120 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $4,722.35
Our Price: $4,014.00
Savings: $708.35
Kasco Aeration Robust-Aire Aquatic Aeration System RAH6NC Kasco Aeration Robust-Aire Aquatic Aeration System RAH6NC

No Cabinet
10 Surface Acres
240 Volts
5 Diffusers
5 - 100' Tube Lengths

List Price: $4,722.35
Our Price: $4,014.00
Savings: $708.35
Kasco Aeration Robust-Aire Aquatic Aeration System 772100 - Diffuser Assembly Kasco Aeration Robust-Aire Aquatic Aeration System 772100 - Diffuser Assembly

1 Diffuser and Assembly parts

List Price: $255.88
Our Price: $217.50
Savings: $38.38
Kasco 3/8" x 100' SureSink Weighted Tubing Kasco Aeration Robust-Aire Aquatic Aeration System 773380 - 3/8" x 100' SureSink Weighted Tubing

Kasco Aeration Robust-Aire Aquatic Aeration System 773380 - 3/8" x 100' SureSink Weighted Tubing

List Price: $124.71
Our Price: $106.00
Savings: $18.71
Kasco 5/8" x 100' SureSink Weighted Tubing Kasco Aeration Robust-Aire Aquatic Aeration System 773580 - 5/8" x 100' SureSink Weighted Tubing

Kasco Marine Robust Aire 5/8" x 100 Unweighted Tubing KM773582

List Price: $187.65
Our Price: $159.50
Savings: $28.15
Kasco Marine Robust-Aire Aquatic Aeration RA6 Kasco Marine Robust-Aire Aquatic Aeration RA6

Kasco Marine Robust-Aire RA6 - 6 Diffusers, 120 Volts, Base Cabinet
6 Diffusers
6 - 100' Tube Lengths

List Price: $5,797.65
Our Price: $4,928.00
Savings: $869.65
Kasco Marine Robust-Aire Aquatic Aeration RAH6 Kasco Marine Robust-Aire Aquatic Aeration RAH6

Kasco Marine Robust-Aire RAH6 - 6 Diffusers, 120 Volts, Base Cabinet
6 Diffusers
6 - 100' Tube Lengths

List Price: $5,797.65
Our Price: $4,928.00
Savings: $869.65