Lumien Nano Light, Recessed, Circular, Half-Moon Accessory 189951 and 190-9180 basket strainers are

and 190-9180 basket strainers are optional and are not included with this standard STE-2300SR-1 listing

What is the difference between the two variants

Warranty: 2 years

For safety reasons and to prevent vandalism or theft the grate has two holes enabling it to be screwed onto the basin

Stainless steel for additional protection from the elements

Lumien Nano Light, Recessed, Circular, Half-Moon Accessory 189951 and 190-9180 basket strainers areNano Light, Recessed, Circular, Half Moon Accessory OVERVIEW Easily Assembled Nano modules are IP68 making nano fixtures fully submergible Lifetime Warranty on Brass Housing This fixture utilizes a Quick Connect Nano Module (ordered separately) Lifetime Warranty Finish Antique Construction Brass Requires a Nano Module