| STANDARD COVER FOR PREMIUM BACKREST - 16" x 20" (406 x 508 MM) | +G094DC520016200P | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 17" x 16" (432 x 406 MM) | +G094DC520017160V | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 17" x 18" (432 x 457 MM) | +G094DC520017180X | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 17" x 20" (432 x 508 MM) | +G094DC520017200Q | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 18" x 16" (457 x 406 MM) | +G094DC520018160W | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 18" x 18" (457 x 457 MM) | +G094DC520018180Y | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 18" x 20" (457 x 508 MM) | +G094DC520018200R | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 19" x 16" (483 x 406 MM) | +G094DC520019160X | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 19" x 18" (483 x 457 MM) | +G094DC520019180Z | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 19" x 20" (483 x 508 MM) | +G094DC520019200S | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 20" x 16" (508 x 406 MM) | +G094DC520020160P | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 20" x 18" (508 x 457 MM) | +G094DC520020180R | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 20" x 20" (508 x 508 MM) | +G094DC520020200K | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 21" x 16" (533 x 406 MM) | +G094DC520021160Q | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 21" x 18" (533 x 457 MM) | +G094DC520021180S | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 21" x 20" (533 x 508 MM) | +G094DC520021200L | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 21" x 22" (533 x 559 MM) | +G094DC520021220N | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 21" x 24" (533 x 610 MM) | +G094DC520021240P | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 22" x 16" (559 x 406 MM) | +G094DC520022160R | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 22" x 18" (559 x 457 MM) | +G094DC520022180T | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 22" x 20" (559 x 508 MM) | +G094DC520022200M | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 22" x 22" (559 x 559 MM) | +G094DC520022220O | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 22" x 24" (559 x 610 MM) | +G094DC520022240Q | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 23" x 16" (584 x 406 MM) | +G094DC520023160S | Class I | |
| STANDARD COVER FOR PREMIUM BACKREST - 23" x 18" (584 x 457 MM) | +G094DC520023180U | Class I | |