RECESSED COVERS Material: mild steel-2.0mm Surface treatment: hot dip galvanized
| Item code | Spec | External dimensions mm | Clear opening mm | Height mm |
| 310101 | 200*200 | 250*250 | 156*156 | 50 |
| 310102 | 300*300 | 350*350 | 256*256 | 50 |
| 310103 | 400*400 | 450*450 | 356*356 | 50 |
| 310104 | 500*500 | 550*550 | 456*456 | 50 |
| 310105 | 600*600 | 650*650 | 556*556 | 50 |
| 310106 | 700*700 | 750*750 | 756*756 | 50 |
| 310201 | 200*200 | 250*250 | 156*156 | 80 |
| 310202 | 250*250 | 300*300 | 206*206 | 80 |
| 310203 | 300*300 | 350*350 | 256*256 | 80 |
| 310204 | 350*350 | 400*400 | 306*306 | 80 |
| 310205 | 400*400 | 450*450 | 356*356 | 80 |
| 310206 | 450*450 | 500*500 | 406*406 | 80 |
| 310207 | 500*500 | 550*550 | 456*456 | 80 |
| 310208 | 550*550 | 650*650 | 506*506 | 80 |
| 310209 | 600*600 | 650*650 | 556*556 | 80 |
| 310210 | 650*650 | 700*700 | 606*606 | 80 |
| 310211 | 700*700 | 750*750 | 656*656 | 80 |
| 310212 | 750*750 | 800*800 | 706*706 | 80 |
| 310213 | 800*800 | 850*850 | 756*756 | 80 |
Material: aluminum-profile Surface treatment: options Mesh: zinc plated round bar -dia 5mm Seal:double-EPDM strip
| Item code | Spec | External dimensions mm | Clear opening mm | Height mm |
| 312101 | 200*200 | 200*200 | 128*128 | 55 |
| 312102 | 300*300 | 300*300 | 228*228 | 55 |
| 312103 | 400*400 | 400*400 | 328*328 | 55 |
| 312104 | 500*500 | 500*500 | 428*428 | 55 |
| 312105 | 600*600 | 600*600 | 528*528 | 55 |
| 312106 | 700*700 | 700*700 | 628*628 | 55 |
| 312107 | 800*800 | 800*800 | 728*728 | 55 |
| 312108 | 900*900 | 900*900 | 828*828 | 55 |
| 312109 | 1000*1000 | 1000*1000 | 928*928 | 55 |
| 312201 | 300*400 | 300*400 | 228*328 | 55 |
| 312202 | 400*500 | 400*500 | 328*428 | 55 |
| 312203 | 500*600 | 500*600 | 428*528 | 55 |
