ET Tube Sizing Chart
Nasal Intubation
Patient Weight (kg)
ETT Size (mm ID)
ETT Length (cm)
Species Examples
MILA Item Number
250-350 350-450 450-600 600-800
16 18 20 22 24
70 75 90 90
Equids Equids Equids Equids Equids
LAET16 LAET18 LAET20 LAET22 LAET24
>800
100
Oral Intubation
Patient Weight (kg)
ETT Size (mm ID)
ETT Length (cm)
Species Examples
MILA Item Number
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
125-150
16
70
LAET16
150-180
16
70
Domestic Bovine
LAET16
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
150-200
18
75
LAET18
180-200
18
75
Domestic Bovine
LAET18
Domestic Bovine, Equids (Horses, Donkeys, Ponies, Mules, Zebras) Domestic Bovine, Equids (Horses, Donkeys, Ponies, Mules, Zebras)
200-300
20
90
LAET20
300-400
22
90
LAET22
400-500
24
100
Domestic Bovine
LAET24
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
400-550
24
100
LAET24
500-600
26
100
Domestic Bovine
LAET26
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
550-700
26
100
LAET26
600-800
28
100
Domestic Bovine
LAET28
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
700-800
28
100
LAET28
800-1000
30
100
Domestic Bovine
LAET30
Equids (Horses, Donkeys, Ponies, Mules, Zebras)
800-1200
30
100
LAET30
>1000
35
160
Domestic Bovine Equids (Horses, Donkeys, Ponies, Mules, Zebras)
LAET35
>1200
35
160
LAET35
87
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