* Air stones are porous ceramic; uniform micro-size air bubbles
are generated when air is blown into these products.
* Body is made of high temperature (1,300 degrees C)
quench-hardened ceramic. The rod is made of stainless steel which
ensure durability and long life. And suitable for long-period use
in seawater environment.
* Safe for fish; no material adversely affecting fish is used.
Model no.
Suitable hose
(φmm)
External dimension (mm)
Stone diameter
(mm)
Suitable air quantity
(L/minute)
Width
Length
Height
Global 50
7～10
-
-
-
50φ
1
Semi-global 25
4
-
25
-
25φ
0.5
PA-30
7～10
-
51
-
31φ
1～2
KA-20
4
19
150
19
19
3～4
KA-20R
KA-50
7～10
50
170
50
50
6～7
KA-50R
●Air
Stones
From left ◆C-1B
◆C-2B
◆C-3B
From left ◆EI-6
◆EI-10
◆EI-15
From left ◆EI-80
◆EI-200
◆EI-500
* Air stones are porous ceramic; uniform micro-size air bubbles
are generated when air is blown into these products.
* Body is made of high temperature (1,300 degrees C)
quench-hardened ceramic. The rod is made of stainless steel which
ensure durability and long life. And suitable for long-period use
in seawater environment.
* The metal bars attached to "EI" types are made in stainless
steel 316.
* Safe for fish; no material adversely affecting fish is used.
Model no.
Suitable hose
(φmm)
External dimension (mm)
Stone diameter
(mm)
Suitable air quantity
(L/minute)
Width
Length
Height
C-1B
4・8
-
-
-
50φ
3
C-2B
4
-
-
-
25φ
0.5
C-3B
-
-
-
32φ
1
EI-6
4～5
27
60
27
23φ
2
EI-10
2.5
EI-15
150
3
EI-80
4～6
55
80
50
30φ
3
EI-150
150
5
EI-200
8～12
80
150
75
50φ
8
EI-300
300
15
EI-500
500
25
●Air
Stones (NB type)
From Left ◆NB-150
◆NB-300
◆NB-500
* Air stones are porous plastic; uniform micro-size air
bubbles are generated when air is blown into these products.
* Body is made of high temperature (1,300 degrees C)
quench-hardened plastic. The rod is made of stainless steel which
ensure durability and long life, and suitable for long-period use
in seawater environment.
* The metal bars attached to the products are made in stainless
steel.
* Safe for fish; no material adversely affecting fish is used.
Model no.
Suitable hose
(φmm)
External dimension (mm)
Stone diameter
(mm)
Suitable air quantity
(L/minute)
Width
Length
Height
NB-150
4
95
170
45
30φ
7～8
NB-300
7～10
320
15
NB-500
525
30
●Air
Stones (AS type)
AS-1
From
Left ◆AS-5
◆AS-10
◆AS-15 From Left ◆AS-80
◆AS-200
◆AS-500
* Air stones are porous ceramic; uniform micro-size air bubbles
are generated when air is blown into these products.
* Body is made of high temperature (1,300 degrees C)
quench-hardened ceramic. The rod is made of stainless steel which
ensure durability and long life. And suitable for long-period use
in seawater environment.
* It now has cover attached to its both end which prevent slide
off or easy crack, and also easy to clean up after disassemble it.
* Safe for fish; no material adversely affecting fish is used.
