Delay pedals essentially produce a short copy of what you've just played and usually repeat the copy in a decaying nature - the repeat gets fainter and fainter. There are a few types of delay including slapback, tape, analogue, digital, reverse, low fi, modulated and more.
Delay Pedals
Caline Caline CP-37 Drifter
£44.99
£18.99
£12.00 - £59.99
Caline Caline CP-19 Blue Ocean
£27.99
£27.99
Biyang Biyang AD-10 Delay
£33.99