Rates & Durations

There are 12 models of ALZET Osmotic Pumps in 3 physical sizes, and a variety of release rates and durations*.

Dimensions, Components & Materials

The tables below review the specifications, dimensions and materials of ALZET osmotic pumps.

ALZET Pump Models
Note: All items are supplied sterile. Pumps cannot be reused.
Model Numbers	1003D, 1007D, 1002, 1004	2001D, 2001, 2002, 2004, 2006	2ML1, 2ML2, 2ML4
Reservoir Volume	100 µl	200 µl	2 ml
Complete Osmotic Pump
Length (cm)	1.5	3.0	5.1
Diameter (cm)	0.6	0.7	1.4
Weight (g)	0.4	1.1	5.1
Total Displaced Volume (ml)	0.5	1.0	6.5
Filling Tube
Length (cm)	1.1	2.2	3.5
Gauge	27	27	25
O.D. (cm)	0.04	0.04	0.05
I.D. (cm)	0.02	0.02	0.03
Flow Moderator
Length (cm)	1.3	2.4	4.6
Gauge	21	21	21
O.D. (cm)	0.08	0.08	0.08
I.D. (cm)	0.05	0.05	0.05
Weight (g)	0.05	0.2	0.9
Material (flange)	Styrene Acrylonitrile
Material (cap)	n/a	Polyethylene	Polyethylene
Material (tube)	Stainless Steel 304 (non-metal alternatives)
Pump Body Materials
Outer Membrane	Cellulose Ester Blend
Drug Reservoir	Thermoplastic Hydrocarbon Elastomer

ALZET pumps are supplied in multiples of 10. Every 10 pumps comes with the following:

• 10 Flow Moderators
• 1 Filling Tube
• 1 Instruction Sheet

*Lot Specific Performance Data:

The nominal performance is a target for all pumps manufactured. Individual lots of pumps may vary from this target within limits. The actual pumping rate and fill volume of a particular lot (derived by statistical testing) are listed on the top of the instruction sheet included with the pumps. To inquire about a specific lot number, or if you have specific questions, please contact technical support at 1-800-692-2990.