Highly polished 316 cast stainless steel. Interior is powder coated for durable high gloss finish. Standard interior color comes in white. Threads into deck plate (12 treads per inch) 
 
*Custom colors interior available.
 
Size 3"   
Deck Plate Cut-Out 3-3/8" 
Deck Plate Overall Width 4-7/8"
Opening Dimensions 6-1/2"  
Height 9-1/2" 
Weight 4.2 lbs
 
Size 4"   
Deck Plate Cut-Out 4-3/8 " 
Deck Plate Overall Width 5-5/8"
Opening Dimensions 8-1/2"  
Height  12-3/8"
Weight 6.2 lbs
 
Size 5" 
Deck Plate Cut-Out 5-3/8 " 
Deck Plate Overall Width 7-1/4"
Opening Dimensions 10-1/2"  
Height  12-1/2"
Weight 8.2 lbs