61409 Black Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate
Sets: 4 Quantity: 7 Rebrickable

Ultimate Collector Series Year: 2017 Parts: 7541 Minifigures: 10
Star Wars Year: 2020 Parts: 519
LEGO Ideas and CUUSOO Year: 2020 Parts: 3662
Harry Potter Year: 2020 Parts: 5548 Minifigures: 17

61409 Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate
Dark Bluish Gray Sets: 4 Rebrickable
61409 Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate
Light Bluish Gray Sets: 4 Rebrickable
61409 Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate
Reddish Brown Sets: 4 Rebrickable