SE25 Diaphragm pack - EL120 / 150 / EL250W / 300W

Kit contains : 2x EL diaphragms , plus their plastic surrounding frame and 4x spacer strips to help with reassembly for use with :

EL120S and EL150S single head pumps
EL-250W and EL300W twin head pumps (requires two packs)

Note :
If your pump is more than 3 or 4 years old it might be wise to consider a Service kit instead.