<https://rowanalmond.com/product/luxr-modux-1-pvc-canister/#product>
<http://schema.org/description>
"The LuxR Modux 1 PVC Canisters are designed for use with the LuxR Modux 1 range of recessed fittings. An O ring on the light fitting allows a nice snug fit into the canister. A canister is not always essential but usually used when recessing into hard standing.\r\n\r\nLength: 200mm - Internal Diameter: 35.2mm - External Diameter:40mm\r\n\r\nClick here for Datasheet - LuxR Modux PVC Canisters"
<https://rowanalmond.com/product/luxr-modux-1-pvc-canister/>