Side by side.

Specification	ED-5349-W ED-5349-W Quote
Width	0.545"
Height	2.100"
Flange	0.125"
Material	Rubber
Type	Sponge
Durometer	2A4 (sponge grade)
Colour	White
Mount	Push On
Core	SD-487 Spring Steel

Spec sheets live on each part's page.