The document specifies the requirements for a filtration assembly used for membrane filters in quantitative analysis of coliform bacteria. The assembly must include a funnel, filter support, and 1-liter filtrate flask compatible with 47 mm diameter filters. It is to be made of autoclavable materials like glass, stainless steel, porcelain, or plastic and include a detachable porous plate and air/water tight joints. Accessories include stainless steel forceps and consumables are 500 each of 0.45 micrometer, 47 mm membrane filters and absorbent pads.

1. Equipment Specification: FILTRATION ASSEMBLY FOR MEMBRANE
FILTERS
Version 2 40.016-1/1
40.016 FILTRATION ASSEMBLY FOR
MEMBRANE FILTERS
Approval Date: January 2008 Version: 2
Purpose
 For quantitative analysis of coliform bacteria.
Specifications
type filtration assembly consisting of funnel, filter support and filtrate
flask
size for 47 mm diameter filters
filtrate flask capacity 1 litre
vacuum connection 6 mm O.D.
funnel 300 ml, 76 mm
material glass or stainless steel or porcelain or autoclavable plastic
Features
 detachable filter seat (porous plate)
 funnel and filter support should make air and water tight joint
Accessories
 MF stainless steel forceps
Consumables
 500 membrane filters (0.45 m , 47 mm)
 500 absorbent pads (47 mm)