Rectangular water bath is used for sample pre-treatment and all thermostatic tests. It is suitable for evaporating liquids like alcohol or for melting solids such as agar. Its double walled chambers made of stainless steel and outer wall made of thick mild steel finished with epoxy based powder coated paint. The double wall chamber is filled with high grade insulation to prevent heat loss. This is provided with 1500 watts heating device, controlled by capillary type thermostat from ambient to 110°C.

Red filter is designed to assist patients with red-green color deficiencies in their day-to-day activities. This filter cuts off wavelengths shorter than 582 nm enabling an abnormal color observer to read their most difficult color distinctions. A color anomalous patient can use color contrast to easily determine whether a color is in the longer or shorter end of the visible spectrum.

Nelaton catheters are used for short term bladder catheterization through urethra. It is manufactured from non-toxic, non-irritant, soft PVC compatible with catheter lubricants. It is also used to prevent obstruction of lumen and trauma to urethra by abrasion.